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Finding the Fourth Proportional to 332,355.40, 498,192.90 and 163,616.20

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Solution

The fourth proportional to 332,355.40, 498,192.90 and 163,616.20 is: 245,256.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,355.40 : 498,192.90 = 163,616.20 : x
  2. Step 2: Convert to fraction form
    332,355.40/498,192.90 = 163,616.20/x
  3. Step 3: Cross multiply
    332,355.40x = 498,192.90 × 163,616.20
  4. Step 4: Simplify right side
    332,355.40x = 81,512,429,164.98
  5. Step 5: Solve for x
    x = 81,512,429,164.98/332,355.40
  6. Step 6: Final answer
    x = 245,256.82

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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.