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Finding the Fourth Proportional to 432,592.25, 648,888.37 and 162,771.12

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Solution

The fourth proportional to 432,592.25, 648,888.37 and 162,771.12 is: 244,156.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,592.25 : 648,888.37 = 162,771.12 : x
  2. Step 2: Convert to fraction form
    432,592.25/648,888.37 = 162,771.12/x
  3. Step 3: Cross multiply
    432,592.25x = 648,888.37 × 162,771.12
  4. Step 4: Simplify right side
    432,592.25x = 105,620,286,332.95
  5. Step 5: Solve for x
    x = 105,620,286,332.95/432,592.25
  6. Step 6: Final answer
    x = 244,156.68

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Similar ratio
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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.