Home / 240,265.90-331,636.14-158,653.75

Finding the Fourth Proportional to 240,265.90, 331,636.14 and 158,653.75

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Solution

The fourth proportional to 240,265.90, 331,636.14 and 158,653.75 is: 218,987.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,265.90 : 331,636.14 = 158,653.75 : x
  2. Step 2: Convert to fraction form
    240,265.90/331,636.14 = 158,653.75/x
  3. Step 3: Cross multiply
    240,265.90x = 331,636.14 × 158,653.75
  4. Step 4: Simplify right side
    240,265.90x = 52,615,317,246.53
  5. Step 5: Solve for x
    x = 52,615,317,246.53/240,265.90
  6. Step 6: Final answer
    x = 218,987.87

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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.