Home / 312,427.32-468,544.04-112,721.76

Finding the Fourth Proportional to 312,427.32, 468,544.04 and 112,721.76

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Solution

The fourth proportional to 312,427.32, 468,544.04 and 112,721.76 is: 169,047.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,427.32 : 468,544.04 = 112,721.76 : x
  2. Step 2: Convert to fraction form
    312,427.32/468,544.04 = 112,721.76/x
  3. Step 3: Cross multiply
    312,427.32x = 468,544.04 × 112,721.76
  4. Step 4: Simplify right side
    312,427.32x = 52,815,108,826.31
  5. Step 5: Solve for x
    x = 52,815,108,826.31/312,427.32
  6. Step 6: Final answer
    x = 169,047.66

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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.