Home / 447,660.60-671,490.90-152,172.60

Finding the Fourth Proportional to 447,660.60, 671,490.90 and 152,172.60

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Solution

The fourth proportional to 447,660.60, 671,490.90 and 152,172.60 is: 228,258.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,660.60 : 671,490.90 = 152,172.60 : x
  2. Step 2: Convert to fraction form
    447,660.60/671,490.90 = 152,172.60/x
  3. Step 3: Cross multiply
    447,660.60x = 671,490.90 × 152,172.60
  4. Step 4: Simplify right side
    447,660.60x = 102,182,516,129.34
  5. Step 5: Solve for x
    x = 102,182,516,129.34/447,660.60
  6. Step 6: Final answer
    x = 228,258.90

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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.