Home / 220,529.28-304,332.48-131,088

Finding the Fourth Proportional to 220,529.28, 304,332.48 and 131,088

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Solution

The fourth proportional to 220,529.28, 304,332.48 and 131,088 is: 180,902.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,529.28 : 304,332.48 = 131,088 : x
  2. Step 2: Convert to fraction form
    220,529.28/304,332.48 = 131,088/x
  3. Step 3: Cross multiply
    220,529.28x = 304,332.48 × 131,088
  4. Step 4: Simplify right side
    220,529.28x = 39,894,336,138.24
  5. Step 5: Solve for x
    x = 39,894,336,138.24/220,529.28
  6. Step 6: Final answer
    x = 180,902.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.