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Finding the Fourth Proportional to 444,732.40, 667,118.04 and 145,210.64

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Solution

The fourth proportional to 444,732.40, 667,118.04 and 145,210.64 is: 217,822.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,732.40 : 667,118.04 = 145,210.64 : x
  2. Step 2: Convert to fraction form
    444,732.40/667,118.04 = 145,210.64/x
  3. Step 3: Cross multiply
    444,732.40x = 667,118.04 × 145,210.64
  4. Step 4: Simplify right side
    444,732.40x = 96,872,637,543.95
  5. Step 5: Solve for x
    x = 96,872,637,543.95/444,732.40
  6. Step 6: Final answer
    x = 217,822.31

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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.