Home / 402,252.04-555,080.34-220,971.70

Finding the Fourth Proportional to 402,252.04, 555,080.34 and 220,971.70

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Solution

The fourth proportional to 402,252.04, 555,080.34 and 220,971.70 is: 304,925.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,252.04 : 555,080.34 = 220,971.70 : x
  2. Step 2: Convert to fraction form
    402,252.04/555,080.34 = 220,971.70/x
  3. Step 3: Cross multiply
    402,252.04x = 555,080.34 × 220,971.70
  4. Step 4: Simplify right side
    402,252.04x = 122,657,046,366.38
  5. Step 5: Solve for x
    x = 122,657,046,366.38/402,252.04
  6. Step 6: Final answer
    x = 304,925.85

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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.