Home / 221,427.60-332,272.62-207,417.06

Finding the Fourth Proportional to 221,427.60, 332,272.62 and 207,417.06

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Solution

The fourth proportional to 221,427.60, 332,272.62 and 207,417.06 is: 311,248.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,427.60 : 332,272.62 = 207,417.06 : x
  2. Step 2: Convert to fraction form
    221,427.60/332,272.62 = 207,417.06/x
  3. Step 3: Cross multiply
    221,427.60x = 332,272.62 × 207,417.06
  4. Step 4: Simplify right side
    221,427.60x = 68,919,009,958.90
  5. Step 5: Solve for x
    x = 68,919,009,958.90/221,427.60
  6. Step 6: Final answer
    x = 311,248.51

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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.