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Finding the Fourth Proportional to 278,011.88, 416,541.66 and 151,740.68

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Solution

The fourth proportional to 278,011.88, 416,541.66 and 151,740.68 is: 227,351.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,011.88 : 416,541.66 = 151,740.68 : x
  2. Step 2: Convert to fraction form
    278,011.88/416,541.66 = 151,740.68/x
  3. Step 3: Cross multiply
    278,011.88x = 416,541.66 × 151,740.68
  4. Step 4: Simplify right side
    278,011.88x = 63,206,312,654.02
  5. Step 5: Solve for x
    x = 63,206,312,654.02/278,011.88
  6. Step 6: Final answer
    x = 227,351.13

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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.