Home / 292,400.27-438,775.37-268,605.71

Finding the Fourth Proportional to 292,400.27, 438,775.37 and 268,605.71

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Solution

The fourth proportional to 292,400.27, 438,775.37 and 268,605.71 is: 403,069.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,400.27 : 438,775.37 = 268,605.71 : x
  2. Step 2: Convert to fraction form
    292,400.27/438,775.37 = 268,605.71/x
  3. Step 3: Cross multiply
    292,400.27x = 438,775.37 × 268,605.71
  4. Step 4: Simplify right side
    292,400.27x = 117,857,569,543.27
  5. Step 5: Solve for x
    x = 117,857,569,543.27/292,400.27
  6. Step 6: Final answer
    x = 403,069.29

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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.