Home / 219,360.24-328,601.88-100,869.20

Finding the Fourth Proportional to 219,360.24, 328,601.88 and 100,869.20

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Solution

The fourth proportional to 219,360.24, 328,601.88 and 100,869.20 is: 151,102.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,360.24 : 328,601.88 = 100,869.20 : x
  2. Step 2: Convert to fraction form
    219,360.24/328,601.88 = 100,869.20/x
  3. Step 3: Cross multiply
    219,360.24x = 328,601.88 × 100,869.20
  4. Step 4: Simplify right side
    219,360.24x = 33,145,808,754.10
  5. Step 5: Solve for x
    x = 33,145,808,754.10/219,360.24
  6. Step 6: Final answer
    x = 151,102.17

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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.