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Finding the Fourth Proportional to 332,005.30, 498,267.15 and 154,534.30

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Solution

The fourth proportional to 332,005.30, 498,267.15 and 154,534.30 is: 231,922.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,005.30 : 498,267.15 = 154,534.30 : x
  2. Step 2: Convert to fraction form
    332,005.30/498,267.15 = 154,534.30/x
  3. Step 3: Cross multiply
    332,005.30x = 498,267.15 × 154,534.30
  4. Step 4: Simplify right side
    332,005.30x = 76,999,365,238.25
  5. Step 5: Solve for x
    x = 76,999,365,238.25/332,005.30
  6. Step 6: Final answer
    x = 231,922.10

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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.