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Finding the Fourth Proportional to 559,323.52, 838,520.80 and 222,156.16

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Solution

The fourth proportional to 559,323.52, 838,520.80 and 222,156.16 is: 333,049.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,323.52 : 838,520.80 = 222,156.16 : x
  2. Step 2: Convert to fraction form
    559,323.52/838,520.80 = 222,156.16/x
  3. Step 3: Cross multiply
    559,323.52x = 838,520.80 × 222,156.16
  4. Step 4: Simplify right side
    559,323.52x = 186,282,561,008.13
  5. Step 5: Solve for x
    x = 186,282,561,008.13/559,323.52
  6. Step 6: Final answer
    x = 333,049.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.