Home / 240,266.40-331,636.83-158,654.25

Finding the Fourth Proportional to 240,266.40, 331,636.83 and 158,654.25

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Solution

The fourth proportional to 240,266.40, 331,636.83 and 158,654.25 is: 218,988.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,266.40 : 331,636.83 = 158,654.25 : x
  2. Step 2: Convert to fraction form
    240,266.40/331,636.83 = 158,654.25/x
  3. Step 3: Cross multiply
    240,266.40x = 331,636.83 × 158,654.25
  4. Step 4: Simplify right side
    240,266.40x = 52,615,592,536.03
  5. Step 5: Solve for x
    x = 52,615,592,536.03/240,266.40
  6. Step 6: Final answer
    x = 218,988.56

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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.