Home / 279,954.33-386,338.73-152,632.05

Finding the Fourth Proportional to 279,954.33, 386,338.73 and 152,632.05

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Solution

The fourth proportional to 279,954.33, 386,338.73 and 152,632.05 is: 210,633.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,954.33 : 386,338.73 = 152,632.05 : x
  2. Step 2: Convert to fraction form
    279,954.33/386,338.73 = 152,632.05/x
  3. Step 3: Cross multiply
    279,954.33x = 386,338.73 × 152,632.05
  4. Step 4: Simplify right side
    279,954.33x = 58,967,671,591.14
  5. Step 5: Solve for x
    x = 58,967,671,591.14/279,954.33
  6. Step 6: Final answer
    x = 210,633.18

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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.