Home / 282,778.68-390,104.58-250,546.20

Finding the Fourth Proportional to 282,778.68, 390,104.58 and 250,546.20

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Solution

The fourth proportional to 282,778.68, 390,104.58 and 250,546.20 is: 345,638.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,778.68 : 390,104.58 = 250,546.20 : x
  2. Step 2: Convert to fraction form
    282,778.68/390,104.58 = 250,546.20/x
  3. Step 3: Cross multiply
    282,778.68x = 390,104.58 × 250,546.20
  4. Step 4: Simplify right side
    282,778.68x = 97,739,220,121.60
  5. Step 5: Solve for x
    x = 97,739,220,121.60/282,778.68
  6. Step 6: Final answer
    x = 345,638.58

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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.