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Finding the Fourth Proportional to 377,431.92, 520,634.76 and 241,416.24

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Solution

The fourth proportional to 377,431.92, 520,634.76 and 241,416.24 is: 333,012.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,431.92 : 520,634.76 = 241,416.24 : x
  2. Step 2: Convert to fraction form
    377,431.92/520,634.76 = 241,416.24/x
  3. Step 3: Cross multiply
    377,431.92x = 520,634.76 × 241,416.24
  4. Step 4: Simplify right side
    377,431.92x = 125,689,686,172.50
  5. Step 5: Solve for x
    x = 125,689,686,172.50/377,431.92
  6. Step 6: Final answer
    x = 333,012.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.