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Finding the Fourth Proportional to 513,167.83, 708,159.38 and 286,834.39

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Solution

The fourth proportional to 513,167.83, 708,159.38 and 286,834.39 is: 395,824.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,167.83 : 708,159.38 = 286,834.39 : x
  2. Step 2: Convert to fraction form
    513,167.83/708,159.38 = 286,834.39/x
  3. Step 3: Cross multiply
    513,167.83x = 708,159.38 × 286,834.39
  4. Step 4: Simplify right side
    513,167.83x = 203,124,462,350.91
  5. Step 5: Solve for x
    x = 203,124,462,350.91/513,167.83
  6. Step 6: Final answer
    x = 395,824.62

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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.