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Finding the Fourth Proportional to 253,600.05, 380,411.76 and 141,195.65

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Solution

The fourth proportional to 253,600.05, 380,411.76 and 141,195.65 is: 211,799.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,600.05 : 380,411.76 = 141,195.65 : x
  2. Step 2: Convert to fraction form
    253,600.05/380,411.76 = 141,195.65/x
  3. Step 3: Cross multiply
    253,600.05x = 380,411.76 × 141,195.65
  4. Step 4: Simplify right side
    253,600.05x = 53,712,483,818.79
  5. Step 5: Solve for x
    x = 53,712,483,818.79/253,600.05
  6. Step 6: Final answer
    x = 211,799.97

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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.