Home / 402,251.04-555,078.96-220,970.70

Finding the Fourth Proportional to 402,251.04, 555,078.96 and 220,970.70

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Solution

The fourth proportional to 402,251.04, 555,078.96 and 220,970.70 is: 304,924.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,251.04 : 555,078.96 = 220,970.70 : x
  2. Step 2: Convert to fraction form
    402,251.04/555,078.96 = 220,970.70/x
  3. Step 3: Cross multiply
    402,251.04x = 555,078.96 × 220,970.70
  4. Step 4: Simplify right side
    402,251.04x = 122,656,186,346.47
  5. Step 5: Solve for x
    x = 122,656,186,346.47/402,251.04
  6. Step 6: Final answer
    x = 304,924.47

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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.