Home / 447,659.60-671,489.40-152,171.60

Finding the Fourth Proportional to 447,659.60, 671,489.40 and 152,171.60

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Solution

The fourth proportional to 447,659.60, 671,489.40 and 152,171.60 is: 228,257.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,659.60 : 671,489.40 = 152,171.60 : x
  2. Step 2: Convert to fraction form
    447,659.60/671,489.40 = 152,171.60/x
  3. Step 3: Cross multiply
    447,659.60x = 671,489.40 × 152,171.60
  4. Step 4: Simplify right side
    447,659.60x = 102,181,616,381.04
  5. Step 5: Solve for x
    x = 102,181,616,381.04/447,659.60
  6. Step 6: Final answer
    x = 228,257.40

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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.