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Finding the Fourth Proportional to 360,498, 541,071.99 and 192,158.52

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Solution

The fourth proportional to 360,498, 541,071.99 and 192,158.52 is: 288,411.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,498 : 541,071.99 = 192,158.52 : x
  2. Step 2: Convert to fraction form
    360,498/541,071.99 = 192,158.52/x
  3. Step 3: Cross multiply
    360,498x = 541,071.99 × 192,158.52
  4. Step 4: Simplify right side
    360,498x = 103,971,592,811.86
  5. Step 5: Solve for x
    x = 103,971,592,811.86/360,498
  6. Step 6: Final answer
    x = 288,411.01

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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.