Home / 292,485.20-438,725.77-82,123.34

Finding the Fourth Proportional to 292,485.20, 438,725.77 and 82,123.34

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Solution

The fourth proportional to 292,485.20, 438,725.77 and 82,123.34 is: 123,184.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,485.20 : 438,725.77 = 82,123.34 : x
  2. Step 2: Convert to fraction form
    292,485.20/438,725.77 = 82,123.34/x
  3. Step 3: Cross multiply
    292,485.20x = 438,725.77 × 82,123.34
  4. Step 4: Simplify right side
    292,485.20x = 36,029,623,177.53
  5. Step 5: Solve for x
    x = 36,029,623,177.53/292,485.20
  6. Step 6: Final answer
    x = 123,184.43

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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.