Home / 340,229.25-510,417.63-103,565.75

Finding the Fourth Proportional to 340,229.25, 510,417.63 and 103,565.75

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Solution

The fourth proportional to 340,229.25, 510,417.63 and 103,565.75 is: 155,371.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,229.25 : 510,417.63 = 103,565.75 : x
  2. Step 2: Convert to fraction form
    340,229.25/510,417.63 = 103,565.75/x
  3. Step 3: Cross multiply
    340,229.25x = 510,417.63 × 103,565.75
  4. Step 4: Simplify right side
    340,229.25x = 52,861,782,112.08
  5. Step 5: Solve for x
    x = 52,861,782,112.08/340,229.25
  6. Step 6: Final answer
    x = 155,371.07

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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.