Home / 382,281.04-527,565.84-212,518

Finding the Fourth Proportional to 382,281.04, 527,565.84 and 212,518

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Solution

The fourth proportional to 382,281.04, 527,565.84 and 212,518 is: 293,284.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,281.04 : 527,565.84 = 212,518 : x
  2. Step 2: Convert to fraction form
    382,281.04/527,565.84 = 212,518/x
  3. Step 3: Cross multiply
    382,281.04x = 527,565.84 × 212,518
  4. Step 4: Simplify right side
    382,281.04x = 112,117,237,185.12
  5. Step 5: Solve for x
    x = 112,117,237,185.12/382,281.04
  6. Step 6: Final answer
    x = 293,284.85

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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.