Home / 402,234.66-555,056.55-220,954.23

Finding the Fourth Proportional to 402,234.66, 555,056.55 and 220,954.23

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Solution

The fourth proportional to 402,234.66, 555,056.55 and 220,954.23 is: 304,901.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,234.66 : 555,056.55 = 220,954.23 : x
  2. Step 2: Convert to fraction form
    402,234.66/555,056.55 = 220,954.23/x
  3. Step 3: Cross multiply
    402,234.66x = 555,056.55 × 220,954.23
  4. Step 4: Simplify right side
    402,234.66x = 122,642,092,611.71
  5. Step 5: Solve for x
    x = 122,642,092,611.71/402,234.66
  6. Step 6: Final answer
    x = 304,901.85

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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.