Home / 219,129.13-328,668.18-61,370.29

Finding the Fourth Proportional to 219,129.13, 328,668.18 and 61,370.29

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Solution

The fourth proportional to 219,129.13, 328,668.18 and 61,370.29 is: 92,048.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,129.13 : 328,668.18 = 61,370.29 : x
  2. Step 2: Convert to fraction form
    219,129.13/328,668.18 = 61,370.29/x
  3. Step 3: Cross multiply
    219,129.13x = 328,668.18 × 61,370.29
  4. Step 4: Simplify right side
    219,129.13x = 20,170,461,520.37
  5. Step 5: Solve for x
    x = 20,170,461,520.37/219,129.13
  6. Step 6: Final answer
    x = 92,048.29

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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.