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Finding the Fourth Proportional to 195,645.60, 292,690.80 and 169,639.20

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Solution

The fourth proportional to 195,645.60, 292,690.80 and 169,639.20 is: 253,784.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,645.60 : 292,690.80 = 169,639.20 : x
  2. Step 2: Convert to fraction form
    195,645.60/292,690.80 = 169,639.20/x
  3. Step 3: Cross multiply
    195,645.60x = 292,690.80 × 169,639.20
  4. Step 4: Simplify right side
    195,645.60x = 49,651,833,159.36
  5. Step 5: Solve for x
    x = 49,651,833,159.36/195,645.60
  6. Step 6: Final answer
    x = 253,784.56

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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.