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Finding the Fourth Proportional to 608,249.92, 912,530.40 and 253,145.92

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Solution

The fourth proportional to 608,249.92, 912,530.40 and 253,145.92 is: 379,783.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,249.92 : 912,530.40 = 253,145.92 : x
  2. Step 2: Convert to fraction form
    608,249.92/912,530.40 = 253,145.92/x
  3. Step 3: Cross multiply
    608,249.92x = 912,530.40 × 253,145.92
  4. Step 4: Simplify right side
    608,249.92x = 231,003,347,635.97
  5. Step 5: Solve for x
    x = 231,003,347,635.97/608,249.92
  6. Step 6: Final answer
    x = 379,783.61

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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.