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Finding the Fourth Proportional to 370,002.80, 555,133.80 and 159,705.20

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Solution

The fourth proportional to 370,002.80, 555,133.80 and 159,705.20 is: 239,613.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,002.80 : 555,133.80 = 159,705.20 : x
  2. Step 2: Convert to fraction form
    370,002.80/555,133.80 = 159,705.20/x
  3. Step 3: Cross multiply
    370,002.80x = 555,133.80 × 159,705.20
  4. Step 4: Simplify right side
    370,002.80x = 88,657,754,555.76
  5. Step 5: Solve for x
    x = 88,657,754,555.76/370,002.80
  6. Step 6: Final answer
    x = 239,613.74

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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.