Home / 269,400,221.40-404,100,332.10-204,830,139.90

Finding the Fourth Proportional to 269,400,221.40, 404,100,332.10 and 204,830,139.90

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Solution

The fourth proportional to 269,400,221.40, 404,100,332.10 and 204,830,139.90 is: 307,245,209.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,400,221.40 : 404,100,332.10 = 204,830,139.90 : x
  2. Step 2: Convert to fraction form
    269,400,221.40/404,100,332.10 = 204,830,139.90/x
  3. Step 3: Cross multiply
    269,400,221.40x = 404,100,332.10 × 204,830,139.90
  4. Step 4: Simplify right side
    269,400,221.40x = 82,771,927,557,679,472
  5. Step 5: Solve for x
    x = 82,771,927,557,679,472/269,400,221.40
  6. Step 6: Final answer
    x = 307,245,209.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.