Home / 219,749.12-329,284.42-148,392.12

Finding the Fourth Proportional to 219,749.12, 329,284.42 and 148,392.12

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Solution

The fourth proportional to 219,749.12, 329,284.42 and 148,392.12 is: 222,359.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,749.12 : 329,284.42 = 148,392.12 : x
  2. Step 2: Convert to fraction form
    219,749.12/329,284.42 = 148,392.12/x
  3. Step 3: Cross multiply
    219,749.12x = 329,284.42 × 148,392.12
  4. Step 4: Simplify right side
    219,749.12x = 48,863,213,166.77
  5. Step 5: Solve for x
    x = 48,863,213,166.77/219,749.12
  6. Step 6: Final answer
    x = 222,359.08

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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.