Home / 196,220.40-294,028.20-146,065.20

Finding the Fourth Proportional to 196,220.40, 294,028.20 and 146,065.20

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Solution

The fourth proportional to 196,220.40, 294,028.20 and 146,065.20 is: 218,872.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,220.40 : 294,028.20 = 146,065.20 : x
  2. Step 2: Convert to fraction form
    196,220.40/294,028.20 = 146,065.20/x
  3. Step 3: Cross multiply
    196,220.40x = 294,028.20 × 146,065.20
  4. Step 4: Simplify right side
    196,220.40x = 42,947,287,838.64
  5. Step 5: Solve for x
    x = 42,947,287,838.64/196,220.40
  6. Step 6: Final answer
    x = 218,872.70

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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.