Home / 292,529.90-438,877.48-82,169.66

Finding the Fourth Proportional to 292,529.90, 438,877.48 and 82,169.66

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Solution

The fourth proportional to 292,529.90, 438,877.48 and 82,169.66 is: 123,277.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,529.90 : 438,877.48 = 82,169.66 : x
  2. Step 2: Convert to fraction form
    292,529.90/438,877.48 = 82,169.66/x
  3. Step 3: Cross multiply
    292,529.90x = 438,877.48 × 82,169.66
  4. Step 4: Simplify right side
    292,529.90x = 36,062,413,313.26
  5. Step 5: Solve for x
    x = 36,062,413,313.26/292,529.90
  6. Step 6: Final answer
    x = 123,277.70

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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.