Home / 219,003.28-328,454.70-61,242.82

Finding the Fourth Proportional to 219,003.28, 328,454.70 and 61,242.82

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Solution

The fourth proportional to 219,003.28, 328,454.70 and 61,242.82 is: 91,850.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,003.28 : 328,454.70 = 61,242.82 : x
  2. Step 2: Convert to fraction form
    219,003.28/328,454.70 = 61,242.82/x
  3. Step 3: Cross multiply
    219,003.28x = 328,454.70 × 61,242.82
  4. Step 4: Simplify right side
    219,003.28x = 20,115,492,070.25
  5. Step 5: Solve for x
    x = 20,115,492,070.25/219,003.28
  6. Step 6: Final answer
    x = 91,850.19

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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.