Home / 382,491.04-527,830.14-212,721.52

Finding the Fourth Proportional to 382,491.04, 527,830.14 and 212,721.52

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Solution

The fourth proportional to 382,491.04, 527,830.14 and 212,721.52 is: 293,551.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,491.04 : 527,830.14 = 212,721.52 : x
  2. Step 2: Convert to fraction form
    382,491.04/527,830.14 = 212,721.52/x
  3. Step 3: Cross multiply
    382,491.04x = 527,830.14 × 212,721.52
  4. Step 4: Simplify right side
    382,491.04x = 112,280,829,682.61
  5. Step 5: Solve for x
    x = 112,280,829,682.61/382,491.04
  6. Step 6: Final answer
    x = 293,551.53

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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.