Home / 320,933.79-442,902.46-177,693.83

Finding the Fourth Proportional to 320,933.79, 442,902.46 and 177,693.83

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Solution

The fourth proportional to 320,933.79, 442,902.46 and 177,693.83 is: 245,225.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,933.79 : 442,902.46 = 177,693.83 : x
  2. Step 2: Convert to fraction form
    320,933.79/442,902.46 = 177,693.83/x
  3. Step 3: Cross multiply
    320,933.79x = 442,902.46 × 177,693.83
  4. Step 4: Simplify right side
    320,933.79x = 78,701,031,775.08
  5. Step 5: Solve for x
    x = 78,701,031,775.08/320,933.79
  6. Step 6: Final answer
    x = 245,225.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.