Home / 340,037.40-510,084.60-103,382.13

Finding the Fourth Proportional to 340,037.40, 510,084.60 and 103,382.13

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Solution

The fourth proportional to 340,037.40, 510,084.60 and 103,382.13 is: 155,081.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,037.40 : 510,084.60 = 103,382.13 : x
  2. Step 2: Convert to fraction form
    340,037.40/510,084.60 = 103,382.13/x
  3. Step 3: Cross multiply
    340,037.40x = 510,084.60 × 103,382.13
  4. Step 4: Simplify right side
    340,037.40x = 52,733,632,428.20
  5. Step 5: Solve for x
    x = 52,733,632,428.20/340,037.40
  6. Step 6: Final answer
    x = 155,081.86

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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.