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Finding the Fourth Proportional to 370,370.59, 555,600.39 and 130,434.91

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Solution

The fourth proportional to 370,370.59, 555,600.39 and 130,434.91 is: 195,668.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,370.59 : 555,600.39 = 130,434.91 : x
  2. Step 2: Convert to fraction form
    370,370.59/555,600.39 = 130,434.91/x
  3. Step 3: Cross multiply
    370,370.59x = 555,600.39 × 130,434.91
  4. Step 4: Simplify right side
    370,370.59x = 72,469,686,865.61
  5. Step 5: Solve for x
    x = 72,469,686,865.61/370,370.59
  6. Step 6: Final answer
    x = 195,668.04

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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.