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Finding the Fourth Proportional to 332,240.80, 498,434.10 and 163,841.80

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Solution

The fourth proportional to 332,240.80, 498,434.10 and 163,841.80 is: 245,798.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,240.80 : 498,434.10 = 163,841.80 : x
  2. Step 2: Convert to fraction form
    332,240.80/498,434.10 = 163,841.80/x
  3. Step 3: Cross multiply
    332,240.80x = 498,434.10 × 163,841.80
  4. Step 4: Simplify right side
    332,240.80x = 81,664,340,125.38
  5. Step 5: Solve for x
    x = 81,664,340,125.38/332,240.80
  6. Step 6: Final answer
    x = 245,798.65

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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.