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Finding the Fourth Proportional to 304,490.18, 456,702.46 and 79,873.13

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Solution

The fourth proportional to 304,490.18, 456,702.46 and 79,873.13 is: 119,801.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,490.18 : 456,702.46 = 79,873.13 : x
  2. Step 2: Convert to fraction form
    304,490.18/456,702.46 = 79,873.13/x
  3. Step 3: Cross multiply
    304,490.18x = 456,702.46 × 79,873.13
  4. Step 4: Simplify right side
    304,490.18x = 36,478,254,958.90
  5. Step 5: Solve for x
    x = 36,478,254,958.90/304,490.18
  6. Step 6: Final answer
    x = 119,801.09

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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.