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Finding the Fourth Proportional to 375,432.70, 518,110.02 and 205,666.78

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Solution

The fourth proportional to 375,432.70, 518,110.02 and 205,666.78 is: 283,827.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,432.70 : 518,110.02 = 205,666.78 : x
  2. Step 2: Convert to fraction form
    375,432.70/518,110.02 = 205,666.78/x
  3. Step 3: Cross multiply
    375,432.70x = 518,110.02 × 205,666.78
  4. Step 4: Simplify right side
    375,432.70x = 106,558,019,499.14
  5. Step 5: Solve for x
    x = 106,558,019,499.14/375,432.70
  6. Step 6: Final answer
    x = 283,827.22

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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.