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Finding the Fourth Proportional to 361,548.68, 498,950.16 and 218,280.92

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Solution

The fourth proportional to 361,548.68, 498,950.16 and 218,280.92 is: 301,235.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,548.68 : 498,950.16 = 218,280.92 : x
  2. Step 2: Convert to fraction form
    361,548.68/498,950.16 = 218,280.92/x
  3. Step 3: Cross multiply
    361,548.68x = 498,950.16 × 218,280.92
  4. Step 4: Simplify right side
    361,548.68x = 108,911,299,958.95
  5. Step 5: Solve for x
    x = 108,911,299,958.95/361,548.68
  6. Step 6: Final answer
    x = 301,235.51

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1.5x scale

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.