Home / 347,660.90-521,725.07-123,020.43

Finding the Fourth Proportional to 347,660.90, 521,725.07 and 123,020.43

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Solution

The fourth proportional to 347,660.90, 521,725.07 and 123,020.43 is: 184,613.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,660.90 : 521,725.07 = 123,020.43 : x
  2. Step 2: Convert to fraction form
    347,660.90/521,725.07 = 123,020.43/x
  3. Step 3: Cross multiply
    347,660.90x = 521,725.07 × 123,020.43
  4. Step 4: Simplify right side
    347,660.90x = 64,182,842,453.18
  5. Step 5: Solve for x
    x = 64,182,842,453.18/347,660.90
  6. Step 6: Final answer
    x = 184,613.35

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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.