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Finding the Fourth Proportional to 447,575.04, 671,202.66 and 148,000.32

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Solution

The fourth proportional to 447,575.04, 671,202.66 and 148,000.32 is: 221,947.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,575.04 : 671,202.66 = 148,000.32 : x
  2. Step 2: Convert to fraction form
    447,575.04/671,202.66 = 148,000.32/x
  3. Step 3: Cross multiply
    447,575.04x = 671,202.66 × 148,000.32
  4. Step 4: Simplify right side
    447,575.04x = 99,338,208,464.85
  5. Step 5: Solve for x
    x = 99,338,208,464.85/447,575.04
  6. Step 6: Final answer
    x = 221,947.61

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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.