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Finding the Fourth Proportional to 361,532, 542,487.12 and 262,510.16

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Solution

The fourth proportional to 361,532, 542,487.12 and 262,510.16 is: 393,902.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,532 : 542,487.12 = 262,510.16 : x
  2. Step 2: Convert to fraction form
    361,532/542,487.12 = 262,510.16/x
  3. Step 3: Cross multiply
    361,532x = 542,487.12 × 262,510.16
  4. Step 4: Simplify right side
    361,532x = 142,408,380,669.14
  5. Step 5: Solve for x
    x = 142,408,380,669.14/361,532
  6. Step 6: Final answer
    x = 393,902.56

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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.