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Finding the Fourth Proportional to 304,001.60, 456,002.40 and 126,449.60

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Solution

The fourth proportional to 304,001.60, 456,002.40 and 126,449.60 is: 189,674.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,001.60 : 456,002.40 = 126,449.60 : x
  2. Step 2: Convert to fraction form
    304,001.60/456,002.40 = 126,449.60/x
  3. Step 3: Cross multiply
    304,001.60x = 456,002.40 × 126,449.60
  4. Step 4: Simplify right side
    304,001.60x = 57,661,321,079.04
  5. Step 5: Solve for x
    x = 57,661,321,079.04/304,001.60
  6. Step 6: Final answer
    x = 189,674.40

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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.