Home / 219,650.12-329,430.20-61,879.94

Finding the Fourth Proportional to 219,650.12, 329,430.20 and 61,879.94

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Solution

The fourth proportional to 219,650.12, 329,430.20 and 61,879.94 is: 92,807.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,650.12 : 329,430.20 = 61,879.94 : x
  2. Step 2: Convert to fraction form
    219,650.12/329,430.20 = 61,879.94/x
  3. Step 3: Cross multiply
    219,650.12x = 329,430.20 × 61,879.94
  4. Step 4: Simplify right side
    219,650.12x = 20,385,121,010.19
  5. Step 5: Solve for x
    x = 20,385,121,010.19/219,650.12
  6. Step 6: Final answer
    x = 92,807.24

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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.