Home / 219,014.58-328,522.41-61,242.78

Finding the Fourth Proportional to 219,014.58, 328,522.41 and 61,242.78

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Solution

The fourth proportional to 219,014.58, 328,522.41 and 61,242.78 is: 91,864.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,014.58 : 328,522.41 = 61,242.78 : x
  2. Step 2: Convert to fraction form
    219,014.58/328,522.41 = 61,242.78/x
  3. Step 3: Cross multiply
    219,014.58x = 328,522.41 × 61,242.78
  4. Step 4: Simplify right side
    219,014.58x = 20,119,625,680.70
  5. Step 5: Solve for x
    x = 20,119,625,680.70/219,014.58
  6. Step 6: Final answer
    x = 91,864.32

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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.