Home / 340,318.88-510,555.14-112,613.92

Finding the Fourth Proportional to 340,318.88, 510,555.14 and 112,613.92

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Solution

The fourth proportional to 340,318.88, 510,555.14 and 112,613.92 is: 168,946.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,318.88 : 510,555.14 = 112,613.92 : x
  2. Step 2: Convert to fraction form
    340,318.88/510,555.14 = 112,613.92/x
  3. Step 3: Cross multiply
    340,318.88x = 510,555.14 × 112,613.92
  4. Step 4: Simplify right side
    340,318.88x = 57,495,612,575.70
  5. Step 5: Solve for x
    x = 57,495,612,575.70/340,318.88
  6. Step 6: Final answer
    x = 168,946.29

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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.