Home / 219,911.40-329,478.30-195,028.20

Finding the Fourth Proportional to 219,911.40, 329,478.30 and 195,028.20

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Solution

The fourth proportional to 219,911.40, 329,478.30 and 195,028.20 is: 292,197.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,911.40 : 329,478.30 = 195,028.20 : x
  2. Step 2: Convert to fraction form
    219,911.40/329,478.30 = 195,028.20/x
  3. Step 3: Cross multiply
    219,911.40x = 329,478.30 × 195,028.20
  4. Step 4: Simplify right side
    219,911.40x = 64,257,559,788.06
  5. Step 5: Solve for x
    x = 64,257,559,788.06/219,911.40
  6. Step 6: Final answer
    x = 292,197.49

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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.