Home / 307,250.20-460,875.30-305,281.90

Finding the Fourth Proportional to 307,250.20, 460,875.30 and 305,281.90

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Solution

The fourth proportional to 307,250.20, 460,875.30 and 305,281.90 is: 457,922.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,250.20 : 460,875.30 = 305,281.90 : x
  2. Step 2: Convert to fraction form
    307,250.20/460,875.30 = 305,281.90/x
  3. Step 3: Cross multiply
    307,250.20x = 460,875.30 × 305,281.90
  4. Step 4: Simplify right side
    307,250.20x = 140,696,887,247.07
  5. Step 5: Solve for x
    x = 140,696,887,247.07/307,250.20
  6. Step 6: Final answer
    x = 457,922.85

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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.