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Finding the Fourth Proportional to 375,446.18, 518,113.05 and 203,360.26

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Solution

The fourth proportional to 375,446.18, 518,113.05 and 203,360.26 is: 280,635.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,446.18 : 518,113.05 = 203,360.26 : x
  2. Step 2: Convert to fraction form
    375,446.18/518,113.05 = 203,360.26/x
  3. Step 3: Cross multiply
    375,446.18x = 518,113.05 × 203,360.26
  4. Step 4: Simplify right side
    375,446.18x = 105,363,604,557.39
  5. Step 5: Solve for x
    x = 105,363,604,557.39/375,446.18
  6. Step 6: Final answer
    x = 280,635.71

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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.