Home / 279,835.06-386,161.14-152,507.92

Finding the Fourth Proportional to 279,835.06, 386,161.14 and 152,507.92

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Solution

The fourth proportional to 279,835.06, 386,161.14 and 152,507.92 is: 210,454.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,835.06 : 386,161.14 = 152,507.92 : x
  2. Step 2: Convert to fraction form
    279,835.06/386,161.14 = 152,507.92/x
  3. Step 3: Cross multiply
    279,835.06x = 386,161.14 × 152,507.92
  4. Step 4: Simplify right side
    279,835.06x = 58,892,632,246.23
  5. Step 5: Solve for x
    x = 58,892,632,246.23/279,835.06
  6. Step 6: Final answer
    x = 210,454.80

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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.