Home / 219,921.40-329,493.30-195,038.20

Finding the Fourth Proportional to 219,921.40, 329,493.30 and 195,038.20

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Solution

The fourth proportional to 219,921.40, 329,493.30 and 195,038.20 is: 292,212.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,921.40 : 329,493.30 = 195,038.20 : x
  2. Step 2: Convert to fraction form
    219,921.40/329,493.30 = 195,038.20/x
  3. Step 3: Cross multiply
    219,921.40x = 329,493.30 × 195,038.20
  4. Step 4: Simplify right side
    219,921.40x = 64,263,780,144.06
  5. Step 5: Solve for x
    x = 64,263,780,144.06/219,921.40
  6. Step 6: Final answer
    x = 292,212.49

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1.5x scale

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.