Home / 292,275.28-438,425.70-92,610.38

Finding the Fourth Proportional to 292,275.28, 438,425.70 and 92,610.38

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Solution

The fourth proportional to 292,275.28, 438,425.70 and 92,610.38 is: 138,919.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,275.28 : 438,425.70 = 92,610.38 : x
  2. Step 2: Convert to fraction form
    292,275.28/438,425.70 = 92,610.38/x
  3. Step 3: Cross multiply
    292,275.28x = 438,425.70 × 92,610.38
  4. Step 4: Simplify right side
    292,275.28x = 40,602,771,427.54
  5. Step 5: Solve for x
    x = 40,602,771,427.54/292,275.28
  6. Step 6: Final answer
    x = 138,919.62

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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.