Home / 219,401.14-329,114.46-61,641.91

Finding the Fourth Proportional to 219,401.14, 329,114.46 and 61,641.91

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Solution

The fourth proportional to 219,401.14, 329,114.46 and 61,641.91 is: 92,466.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,401.14 : 329,114.46 = 61,641.91 : x
  2. Step 2: Convert to fraction form
    219,401.14/329,114.46 = 61,641.91/x
  3. Step 3: Cross multiply
    219,401.14x = 329,114.46 × 61,641.91
  4. Step 4: Simplify right side
    219,401.14x = 20,287,243,923.02
  5. Step 5: Solve for x
    x = 20,287,243,923.02/219,401.14
  6. Step 6: Final answer
    x = 92,466.45

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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.