Home / 382,381.88-527,683.72-212,614.52

Finding the Fourth Proportional to 382,381.88, 527,683.72 and 212,614.52

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Solution

The fourth proportional to 382,381.88, 527,683.72 and 212,614.52 is: 293,406.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,381.88 : 527,683.72 = 212,614.52 : x
  2. Step 2: Convert to fraction form
    382,381.88/527,683.72 = 212,614.52/x
  3. Step 3: Cross multiply
    382,381.88x = 527,683.72 × 212,614.52
  4. Step 4: Simplify right side
    382,381.88x = 112,193,220,839.61
  5. Step 5: Solve for x
    x = 112,193,220,839.61/382,381.88
  6. Step 6: Final answer
    x = 293,406.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.