Home / 307,330.12-460,721.58-120,471.88

Finding the Fourth Proportional to 307,330.12, 460,721.58 and 120,471.88

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Solution

The fourth proportional to 307,330.12, 460,721.58 and 120,471.88 is: 180,600.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,330.12 : 460,721.58 = 120,471.88 : x
  2. Step 2: Convert to fraction form
    307,330.12/460,721.58 = 120,471.88/x
  3. Step 3: Cross multiply
    307,330.12x = 460,721.58 × 120,471.88
  4. Step 4: Simplify right side
    307,330.12x = 55,503,994,899.17
  5. Step 5: Solve for x
    x = 55,503,994,899.17/307,330.12
  6. Step 6: Final answer
    x = 180,600.57

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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.