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Finding the Fourth Proportional to 447,532.04, 671,138.16 and 147,957.32

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Solution

The fourth proportional to 447,532.04, 671,138.16 and 147,957.32 is: 221,883.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,532.04 : 671,138.16 = 147,957.32 : x
  2. Step 2: Convert to fraction form
    447,532.04/671,138.16 = 147,957.32/x
  3. Step 3: Cross multiply
    447,532.04x = 671,138.16 × 147,957.32
  4. Step 4: Simplify right side
    447,532.04x = 99,299,803,503.33
  5. Step 5: Solve for x
    x = 99,299,803,503.33/447,532.04
  6. Step 6: Final answer
    x = 221,883.12

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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.