Home / 447,389.78-671,084.60-163,101.64

Finding the Fourth Proportional to 447,389.78, 671,084.60 and 163,101.64

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Solution

The fourth proportional to 447,389.78, 671,084.60 and 163,101.64 is: 244,652.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,389.78 : 671,084.60 = 163,101.64 : x
  2. Step 2: Convert to fraction form
    447,389.78/671,084.60 = 163,101.64/x
  3. Step 3: Cross multiply
    447,389.78x = 671,084.60 × 163,101.64
  4. Step 4: Simplify right side
    447,389.78x = 109,454,998,838.74
  5. Step 5: Solve for x
    x = 109,454,998,838.74/447,389.78
  6. Step 6: Final answer
    x = 244,652.43

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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.