Home / 278,956.68-385,002.30-170,124.16

Finding the Fourth Proportional to 278,956.68, 385,002.30 and 170,124.16

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Solution

The fourth proportional to 278,956.68, 385,002.30 and 170,124.16 is: 234,797.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,956.68 : 385,002.30 = 170,124.16 : x
  2. Step 2: Convert to fraction form
    278,956.68/385,002.30 = 170,124.16/x
  3. Step 3: Cross multiply
    278,956.68x = 385,002.30 × 170,124.16
  4. Step 4: Simplify right side
    278,956.68x = 65,498,190,109.94
  5. Step 5: Solve for x
    x = 65,498,190,109.94/278,956.68
  6. Step 6: Final answer
    x = 234,797.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.