Home / 219,318.24-328,538.16-100,827.84

Finding the Fourth Proportional to 219,318.24, 328,538.16 and 100,827.84

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Solution

The fourth proportional to 219,318.24, 328,538.16 and 100,827.84 is: 151,039.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,318.24 : 328,538.16 = 100,827.84 : x
  2. Step 2: Convert to fraction form
    219,318.24/328,538.16 = 100,827.84/x
  3. Step 3: Cross multiply
    219,318.24x = 328,538.16 × 100,827.84
  4. Step 4: Simplify right side
    219,318.24x = 33,125,793,030.37
  5. Step 5: Solve for x
    x = 33,125,793,030.37/219,318.24
  6. Step 6: Final answer
    x = 151,039.85

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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.