Home / 402,002.03-554,763.92-220,725.71

Finding the Fourth Proportional to 402,002.03, 554,763.92 and 220,725.71

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Solution

The fourth proportional to 402,002.03, 554,763.92 and 220,725.71 is: 304,602.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,002.03 : 554,763.92 = 220,725.71 : x
  2. Step 2: Convert to fraction form
    402,002.03/554,763.92 = 220,725.71/x
  3. Step 3: Cross multiply
    402,002.03x = 554,763.92 × 220,725.71
  4. Step 4: Simplify right side
    402,002.03x = 122,450,657,350.56
  5. Step 5: Solve for x
    x = 122,450,657,350.56/402,002.03
  6. Step 6: Final answer
    x = 304,602.09

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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.