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Finding the Fourth Proportional to 304,416.28, 456,550.56 and 126,826.40

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Solution

The fourth proportional to 304,416.28, 456,550.56 and 126,826.40 is: 190,208.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,416.28 : 456,550.56 = 126,826.40 : x
  2. Step 2: Convert to fraction form
    304,416.28/456,550.56 = 126,826.40/x
  3. Step 3: Cross multiply
    304,416.28x = 456,550.56 × 126,826.40
  4. Step 4: Simplify right side
    304,416.28x = 57,902,663,942.78
  5. Step 5: Solve for x
    x = 57,902,663,942.78/304,416.28
  6. Step 6: Final answer
    x = 190,208.83

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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.