Home / 292,660.18-438,991.29-82,298.12

Finding the Fourth Proportional to 292,660.18, 438,991.29 and 82,298.12

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Solution

The fourth proportional to 292,660.18, 438,991.29 and 82,298.12 is: 123,447.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,660.18 : 438,991.29 = 82,298.12 : x
  2. Step 2: Convert to fraction form
    292,660.18/438,991.29 = 82,298.12/x
  3. Step 3: Cross multiply
    292,660.18x = 438,991.29 × 82,298.12
  4. Step 4: Simplify right side
    292,660.18x = 36,128,155,668.42
  5. Step 5: Solve for x
    x = 36,128,155,668.42/292,660.18
  6. Step 6: Final answer
    x = 123,447.46

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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.