Home / 219,922.40-329,494.80-195,039.20

Finding the Fourth Proportional to 219,922.40, 329,494.80 and 195,039.20

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Solution

The fourth proportional to 219,922.40, 329,494.80 and 195,039.20 is: 292,213.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,922.40 : 329,494.80 = 195,039.20 : x
  2. Step 2: Convert to fraction form
    219,922.40/329,494.80 = 195,039.20/x
  3. Step 3: Cross multiply
    219,922.40x = 329,494.80 × 195,039.20
  4. Step 4: Simplify right side
    219,922.40x = 64,264,402,196.16
  5. Step 5: Solve for x
    x = 64,264,402,196.16/219,922.40
  6. Step 6: Final answer
    x = 292,213.99

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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.