Home / 631,426.08-947,131.92-182,132.13

Finding the Fourth Proportional to 631,426.08, 947,131.92 and 182,132.13

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Solution

The fourth proportional to 631,426.08, 947,131.92 and 182,132.13 is: 273,196.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,426.08 : 947,131.92 = 182,132.13 : x
  2. Step 2: Convert to fraction form
    631,426.08/947,131.92 = 182,132.13/x
  3. Step 3: Cross multiply
    631,426.08x = 947,131.92 × 182,132.13
  4. Step 4: Simplify right side
    631,426.08x = 172,503,153,980.59
  5. Step 5: Solve for x
    x = 172,503,153,980.59/631,426.08
  6. Step 6: Final answer
    x = 273,196.12

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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.