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Finding the Fourth Proportional to 304,292.70, 456,439.05 and 126,740.70

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Solution

The fourth proportional to 304,292.70, 456,439.05 and 126,740.70 is: 190,111.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,292.70 : 456,439.05 = 126,740.70 : x
  2. Step 2: Convert to fraction form
    304,292.70/456,439.05 = 126,740.70/x
  3. Step 3: Cross multiply
    304,292.70x = 456,439.05 × 126,740.70
  4. Step 4: Simplify right side
    304,292.70x = 57,849,404,704.34
  5. Step 5: Solve for x
    x = 57,849,404,704.34/304,292.70
  6. Step 6: Final answer
    x = 190,111.05

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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.