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Finding the Fourth Proportional to 240,386.64, 331,432.22 and 154,193.76

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Solution

The fourth proportional to 240,386.64, 331,432.22 and 154,193.76 is: 212,594.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,386.64 : 331,432.22 = 154,193.76 : x
  2. Step 2: Convert to fraction form
    240,386.64/331,432.22 = 154,193.76/x
  3. Step 3: Cross multiply
    240,386.64x = 331,432.22 × 154,193.76
  4. Step 4: Simplify right side
    240,386.64x = 51,104,780,186.95
  5. Step 5: Solve for x
    x = 51,104,780,186.95/240,386.64
  6. Step 6: Final answer
    x = 212,594.10

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.