Home / 279,942.48-386,324.64-152,624.52

Finding the Fourth Proportional to 279,942.48, 386,324.64 and 152,624.52

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Solution

The fourth proportional to 279,942.48, 386,324.64 and 152,624.52 is: 210,624.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,942.48 : 386,324.64 = 152,624.52 : x
  2. Step 2: Convert to fraction form
    279,942.48/386,324.64 = 152,624.52/x
  3. Step 3: Cross multiply
    279,942.48x = 386,324.64 × 152,624.52
  4. Step 4: Simplify right side
    279,942.48x = 58,962,612,744.17
  5. Step 5: Solve for x
    x = 58,962,612,744.17/279,942.48
  6. Step 6: Final answer
    x = 210,624.03

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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.