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Finding the Fourth Proportional to 253,646.64, 350,033.48 and 140,466.96

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Solution

The fourth proportional to 253,646.64, 350,033.48 and 140,466.96 is: 193,845.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,646.64 : 350,033.48 = 140,466.96 : x
  2. Step 2: Convert to fraction form
    253,646.64/350,033.48 = 140,466.96/x
  3. Step 3: Cross multiply
    253,646.64x = 350,033.48 × 140,466.96
  4. Step 4: Simplify right side
    253,646.64x = 49,168,138,833.82
  5. Step 5: Solve for x
    x = 49,168,138,833.82/253,646.64
  6. Step 6: Final answer
    x = 193,845.02

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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.