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Finding the Fourth Proportional to 371,007.68, 511,748.48 and 234,899.76

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Solution

The fourth proportional to 371,007.68, 511,748.48 and 234,899.76 is: 324,008.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,007.68 : 511,748.48 = 234,899.76 : x
  2. Step 2: Convert to fraction form
    371,007.68/511,748.48 = 234,899.76/x
  3. Step 3: Cross multiply
    371,007.68x = 511,748.48 × 234,899.76
  4. Step 4: Simplify right side
    371,007.68x = 120,209,595,132.37
  5. Step 5: Solve for x
    x = 120,209,595,132.37/371,007.68
  6. Step 6: Final answer
    x = 324,008.37

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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.