Home / 353,747.20-529,908.72-163,940.80

Finding the Fourth Proportional to 353,747.20, 529,908.72 and 163,940.80

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Solution

The fourth proportional to 353,747.20, 529,908.72 and 163,940.80 is: 245,581.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,747.20 : 529,908.72 = 163,940.80 : x
  2. Step 2: Convert to fraction form
    353,747.20/529,908.72 = 163,940.80/x
  3. Step 3: Cross multiply
    353,747.20x = 529,908.72 × 163,940.80
  4. Step 4: Simplify right side
    353,747.20x = 86,873,659,483.78
  5. Step 5: Solve for x
    x = 86,873,659,483.78/353,747.20
  6. Step 6: Final answer
    x = 245,581.19

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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.