Home / 260,233.97-390,085.09-147,676.46

Finding the Fourth Proportional to 260,233.97, 390,085.09 and 147,676.46

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Solution

The fourth proportional to 260,233.97, 390,085.09 and 147,676.46 is: 221,363.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,233.97 : 390,085.09 = 147,676.46 : x
  2. Step 2: Convert to fraction form
    260,233.97/390,085.09 = 147,676.46/x
  3. Step 3: Cross multiply
    260,233.97x = 390,085.09 × 147,676.46
  4. Step 4: Simplify right side
    260,233.97x = 57,606,382,870.36
  5. Step 5: Solve for x
    x = 57,606,382,870.36/260,233.97
  6. Step 6: Final answer
    x = 221,363.81

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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.