Home / 318,837.17-478,241.92-119,159.29

Finding the Fourth Proportional to 318,837.17, 478,241.92 and 119,159.29

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Solution

The fourth proportional to 318,837.17, 478,241.92 and 119,159.29 is: 178,733.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,837.17 : 478,241.92 = 119,159.29 : x
  2. Step 2: Convert to fraction form
    318,837.17/478,241.92 = 119,159.29/x
  3. Step 3: Cross multiply
    318,837.17x = 478,241.92 × 119,159.29
  4. Step 4: Simplify right side
    318,837.17x = 56,986,966,141.93
  5. Step 5: Solve for x
    x = 56,986,966,141.93/318,837.17
  6. Step 6: Final answer
    x = 178,733.76

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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.