Home / 347,231.10-521,019.45-136,875.90

Finding the Fourth Proportional to 347,231.10, 521,019.45 and 136,875.90

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Solution

The fourth proportional to 347,231.10, 521,019.45 and 136,875.90 is: 205,381.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,231.10 : 521,019.45 = 136,875.90 : x
  2. Step 2: Convert to fraction form
    347,231.10/521,019.45 = 136,875.90/x
  3. Step 3: Cross multiply
    347,231.10x = 521,019.45 × 136,875.90
  4. Step 4: Simplify right side
    347,231.10x = 71,315,006,136.26
  5. Step 5: Solve for x
    x = 71,315,006,136.26/347,231.10
  6. Step 6: Final answer
    x = 205,381.97

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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.