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Finding the Fourth Proportional to 292,281.30, 438,434.70 and 92,616.39

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Solution

The fourth proportional to 292,281.30, 438,434.70 and 92,616.39 is: 138,928.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,281.30 : 438,434.70 = 92,616.39 : x
  2. Step 2: Convert to fraction form
    292,281.30/438,434.70 = 92,616.39/x
  3. Step 3: Cross multiply
    292,281.30x = 438,434.70 × 92,616.39
  4. Step 4: Simplify right side
    292,281.30x = 40,606,239,164.73
  5. Step 5: Solve for x
    x = 40,606,239,164.73/292,281.30
  6. Step 6: Final answer
    x = 138,928.63

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.