Home / 292,135.00-438,158.57-92,429.40

Finding the Fourth Proportional to 292,135.00, 438,158.57 and 92,429.40

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Solution

The fourth proportional to 292,135.00, 438,158.57 and 92,429.40 is: 138,630.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,135.00 : 438,158.57 = 92,429.40 : x
  2. Step 2: Convert to fraction form
    292,135.00/438,158.57 = 92,429.40/x
  3. Step 3: Cross multiply
    292,135.00x = 438,158.57 × 92,429.40
  4. Step 4: Simplify right side
    292,135.00x = 40,498,732,446.26
  5. Step 5: Solve for x
    x = 40,498,732,446.26/292,135.00
  6. Step 6: Final answer
    x = 138,630.20

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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.