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Finding the Fourth Proportional to 274,886.58, 412,488.45 and 148,527.18

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Solution

The fourth proportional to 274,886.58, 412,488.45 and 148,527.18 is: 222,876.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,886.58 : 412,488.45 = 148,527.18 : x
  2. Step 2: Convert to fraction form
    274,886.58/412,488.45 = 148,527.18/x
  3. Step 3: Cross multiply
    274,886.58x = 412,488.45 × 148,527.18
  4. Step 4: Simplify right side
    274,886.58x = 61,265,746,261.07
  5. Step 5: Solve for x
    x = 61,265,746,261.07/274,886.58
  6. Step 6: Final answer
    x = 222,876.45

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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.