Home / 311,250.20-466,875.30-298,128.20

Finding the Fourth Proportional to 311,250.20, 466,875.30 and 298,128.20

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Solution

The fourth proportional to 311,250.20, 466,875.30 and 298,128.20 is: 447,192.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,250.20 : 466,875.30 = 298,128.20 : x
  2. Step 2: Convert to fraction form
    311,250.20/466,875.30 = 298,128.20/x
  3. Step 3: Cross multiply
    311,250.20x = 466,875.30 × 298,128.20
  4. Step 4: Simplify right side
    311,250.20x = 139,188,692,813.46
  5. Step 5: Solve for x
    x = 139,188,692,813.46/311,250.20
  6. Step 6: Final answer
    x = 447,192.30

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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.