Home / 340,504.28-469,895.64-187,543.52

Finding the Fourth Proportional to 340,504.28, 469,895.64 and 187,543.52

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Solution

The fourth proportional to 340,504.28, 469,895.64 and 187,543.52 is: 258,809.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,504.28 : 469,895.64 = 187,543.52 : x
  2. Step 2: Convert to fraction form
    340,504.28/469,895.64 = 187,543.52/x
  3. Step 3: Cross multiply
    340,504.28x = 469,895.64 × 187,543.52
  4. Step 4: Simplify right side
    340,504.28x = 88,125,882,358.25
  5. Step 5: Solve for x
    x = 88,125,882,358.25/340,504.28
  6. Step 6: Final answer
    x = 258,809.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.