Home / 312,429.30-468,546.95-112,723.67

Finding the Fourth Proportional to 312,429.30, 468,546.95 and 112,723.67

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Solution

The fourth proportional to 312,429.30, 468,546.95 and 112,723.67 is: 169,050.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,429.30 : 468,546.95 = 112,723.67 : x
  2. Step 2: Convert to fraction form
    312,429.30/468,546.95 = 112,723.67/x
  3. Step 3: Cross multiply
    312,429.30x = 468,546.95 × 112,723.67
  4. Step 4: Simplify right side
    312,429.30x = 52,816,328,864.95
  5. Step 5: Solve for x
    x = 52,816,328,864.95/312,429.30
  6. Step 6: Final answer
    x = 169,050.50

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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.