Home / 340,397.55-510,541.65-103,685.18

Finding the Fourth Proportional to 340,397.55, 510,541.65 and 103,685.18

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Solution

The fourth proportional to 340,397.55, 510,541.65 and 103,685.18 is: 155,511.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,397.55 : 510,541.65 = 103,685.18 : x
  2. Step 2: Convert to fraction form
    340,397.55/510,541.65 = 103,685.18/x
  3. Step 3: Cross multiply
    340,397.55x = 510,541.65 × 103,685.18
  4. Step 4: Simplify right side
    340,397.55x = 52,935,602,877.75
  5. Step 5: Solve for x
    x = 52,935,602,877.75/340,397.55
  6. Step 6: Final answer
    x = 155,511.12

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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.