Home / 219,271.26-328,879.54-61,512.01

Finding the Fourth Proportional to 219,271.26, 328,879.54 and 61,512.01

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Solution

The fourth proportional to 219,271.26, 328,879.54 and 61,512.01 is: 92,260.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,271.26 : 328,879.54 = 61,512.01 : x
  2. Step 2: Convert to fraction form
    219,271.26/328,879.54 = 61,512.01/x
  3. Step 3: Cross multiply
    219,271.26x = 328,879.54 × 61,512.01
  4. Step 4: Simplify right side
    219,271.26x = 20,230,041,553.28
  5. Step 5: Solve for x
    x = 20,230,041,553.28/219,271.26
  6. Step 6: Final answer
    x = 92,260.34

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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.