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Finding the Fourth Proportional to 278,846.10, 417,808.35 and 237,374.10

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Solution

The fourth proportional to 278,846.10, 417,808.35 and 237,374.10 is: 355,668.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,846.10 : 417,808.35 = 237,374.10 : x
  2. Step 2: Convert to fraction form
    278,846.10/417,808.35 = 237,374.10/x
  3. Step 3: Cross multiply
    278,846.10x = 417,808.35 × 237,374.10
  4. Step 4: Simplify right side
    278,846.10x = 99,176,881,053.74
  5. Step 5: Solve for x
    x = 99,176,881,053.74/278,846.10
  6. Step 6: Final answer
    x = 355,668.88

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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.