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Finding the Fourth Proportional to 356,006.92, 533,420.70 and 250,309.48

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Solution

The fourth proportional to 356,006.92, 533,420.70 and 250,309.48 is: 375,049.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,006.92 : 533,420.70 = 250,309.48 : x
  2. Step 2: Convert to fraction form
    356,006.92/533,420.70 = 250,309.48/x
  3. Step 3: Cross multiply
    356,006.92x = 533,420.70 × 250,309.48
  4. Step 4: Simplify right side
    356,006.92x = 133,520,258,038.24
  5. Step 5: Solve for x
    x = 133,520,258,038.24/356,006.92
  6. Step 6: Final answer
    x = 375,049.61

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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.