Home / 382,042.08-527,187.20-220,907.57

Finding the Fourth Proportional to 382,042.08, 527,187.20 and 220,907.57

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Solution

The fourth proportional to 382,042.08, 527,187.20 and 220,907.57 is: 304,834.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,042.08 : 527,187.20 = 220,907.57 : x
  2. Step 2: Convert to fraction form
    382,042.08/527,187.20 = 220,907.57/x
  3. Step 3: Cross multiply
    382,042.08x = 527,187.20 × 220,907.57
  4. Step 4: Simplify right side
    382,042.08x = 116,459,639,546.63
  5. Step 5: Solve for x
    x = 116,459,639,546.63/382,042.08
  6. Step 6: Final answer
    x = 304,834.59

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1.5x scale

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.