Home / 262,538.50-393,835.12-100,432.23

Finding the Fourth Proportional to 262,538.50, 393,835.12 and 100,432.23

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Solution

The fourth proportional to 262,538.50, 393,835.12 and 100,432.23 is: 150,658.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,538.50 : 393,835.12 = 100,432.23 : x
  2. Step 2: Convert to fraction form
    262,538.50/393,835.12 = 100,432.23/x
  3. Step 3: Cross multiply
    262,538.50x = 393,835.12 × 100,432.23
  4. Step 4: Simplify right side
    262,538.50x = 39,553,739,353.92
  5. Step 5: Solve for x
    x = 39,553,739,353.92/262,538.50
  6. Step 6: Final answer
    x = 150,658.82

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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.