Home / 418,425.12-627,440.04-151,999.92

Finding the Fourth Proportional to 418,425.12, 627,440.04 and 151,999.92

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Solution

The fourth proportional to 418,425.12, 627,440.04 and 151,999.92 is: 227,928.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,425.12 : 627,440.04 = 151,999.92 : x
  2. Step 2: Convert to fraction form
    418,425.12/627,440.04 = 151,999.92/x
  3. Step 3: Cross multiply
    418,425.12x = 627,440.04 × 151,999.92
  4. Step 4: Simplify right side
    418,425.12x = 95,370,835,884.80
  5. Step 5: Solve for x
    x = 95,370,835,884.80/418,425.12
  6. Step 6: Final answer
    x = 227,928.08

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1.5x scale

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.