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Finding the Fourth Proportional to 153,301.60, 229,952.40 and 133,618.60

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Solution

The fourth proportional to 153,301.60, 229,952.40 and 133,618.60 is: 200,427.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,301.60 : 229,952.40 = 133,618.60 : x
  2. Step 2: Convert to fraction form
    153,301.60/229,952.40 = 133,618.60/x
  3. Step 3: Cross multiply
    153,301.60x = 229,952.40 × 133,618.60
  4. Step 4: Simplify right side
    153,301.60x = 30,725,917,754.64
  5. Step 5: Solve for x
    x = 30,725,917,754.64/153,301.60
  6. Step 6: Final answer
    x = 200,427.90

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1.5x scale

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.