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Finding the Fourth Proportional to 559,179.45, 838,908.90 and 180,135.90

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Solution

The fourth proportional to 559,179.45, 838,908.90 and 180,135.90 is: 270,248.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,179.45 : 838,908.90 = 180,135.90 : x
  2. Step 2: Convert to fraction form
    559,179.45/838,908.90 = 180,135.90/x
  3. Step 3: Cross multiply
    559,179.45x = 838,908.90 × 180,135.90
  4. Step 4: Simplify right side
    559,179.45x = 151,117,609,719.51
  5. Step 5: Solve for x
    x = 151,117,609,719.51/559,179.45
  6. Step 6: Final answer
    x = 270,248.86

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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.