Home / 204,747.40-307,121.10-190,923.40

Finding the Fourth Proportional to 204,747.40, 307,121.10 and 190,923.40

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Solution

The fourth proportional to 204,747.40, 307,121.10 and 190,923.40 is: 286,385.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,747.40 : 307,121.10 = 190,923.40 : x
  2. Step 2: Convert to fraction form
    204,747.40/307,121.10 = 190,923.40/x
  3. Step 3: Cross multiply
    204,747.40x = 307,121.10 × 190,923.40
  4. Step 4: Simplify right side
    204,747.40x = 58,636,604,623.74
  5. Step 5: Solve for x
    x = 58,636,604,623.74/204,747.40
  6. Step 6: Final answer
    x = 286,385.10

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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.