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Finding the Fourth Proportional to 250,281.60, 345,305.92 and 153,449.60

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Solution

The fourth proportional to 250,281.60, 345,305.92 and 153,449.60 is: 211,709.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,281.60 : 345,305.92 = 153,449.60 : x
  2. Step 2: Convert to fraction form
    250,281.60/345,305.92 = 153,449.60/x
  3. Step 3: Cross multiply
    250,281.60x = 345,305.92 × 153,449.60
  4. Step 4: Simplify right side
    250,281.60x = 52,987,055,301.63
  5. Step 5: Solve for x
    x = 52,987,055,301.63/250,281.60
  6. Step 6: Final answer
    x = 211,709.75

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1.5x scale

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.