Home / 240,860.30-332,344.97-137,447.28

Finding the Fourth Proportional to 240,860.30, 332,344.97 and 137,447.28

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Solution

The fourth proportional to 240,860.30, 332,344.97 and 137,447.28 is: 189,653.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,860.30 : 332,344.97 = 137,447.28 : x
  2. Step 2: Convert to fraction form
    240,860.30/332,344.97 = 137,447.28/x
  3. Step 3: Cross multiply
    240,860.30x = 332,344.97 × 137,447.28
  4. Step 4: Simplify right side
    240,860.30x = 45,679,911,095.51
  5. Step 5: Solve for x
    x = 45,679,911,095.51/240,860.30
  6. Step 6: Final answer
    x = 189,653.14

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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.