Home / 240,257.70-331,545.21-131,360.04

Finding the Fourth Proportional to 240,257.70, 331,545.21 and 131,360.04

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Solution

The fourth proportional to 240,257.70, 331,545.21 and 131,360.04 is: 181,271.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,257.70 : 331,545.21 = 131,360.04 : x
  2. Step 2: Convert to fraction form
    240,257.70/331,545.21 = 131,360.04/x
  3. Step 3: Cross multiply
    240,257.70x = 331,545.21 × 131,360.04
  4. Step 4: Simplify right side
    240,257.70x = 43,551,792,047.41
  5. Step 5: Solve for x
    x = 43,551,792,047.41/240,257.70
  6. Step 6: Final answer
    x = 181,271.16

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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.