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Finding the Fourth Proportional to 252,051.04, 347,830.16 and 138,873.76

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Solution

The fourth proportional to 252,051.04, 347,830.16 and 138,873.76 is: 191,645.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,051.04 : 347,830.16 = 138,873.76 : x
  2. Step 2: Convert to fraction form
    252,051.04/347,830.16 = 138,873.76/x
  3. Step 3: Cross multiply
    252,051.04x = 347,830.16 × 138,873.76
  4. Step 4: Simplify right side
    252,051.04x = 48,304,482,160.60
  5. Step 5: Solve for x
    x = 48,304,482,160.60/252,051.04
  6. Step 6: Final answer
    x = 191,645.64

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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.