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Finding the Fourth Proportional to 555,474, 833,353.08 and 161,490

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Solution

The fourth proportional to 555,474, 833,353.08 and 161,490 is: 242,276.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,474 : 833,353.08 = 161,490 : x
  2. Step 2: Convert to fraction form
    555,474/833,353.08 = 161,490/x
  3. Step 3: Cross multiply
    555,474x = 833,353.08 × 161,490
  4. Step 4: Simplify right side
    555,474x = 134,578,188,889.20
  5. Step 5: Solve for x
    x = 134,578,188,889.20/555,474
  6. Step 6: Final answer
    x = 242,276.31

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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.