Home / 279,933.36-386,312.04-152,608.80

Finding the Fourth Proportional to 279,933.36, 386,312.04 and 152,608.80

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Solution

The fourth proportional to 279,933.36, 386,312.04 and 152,608.80 is: 210,602.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,933.36 : 386,312.04 = 152,608.80 : x
  2. Step 2: Convert to fraction form
    279,933.36/386,312.04 = 152,608.80/x
  3. Step 3: Cross multiply
    279,933.36x = 386,312.04 × 152,608.80
  4. Step 4: Simplify right side
    279,933.36x = 58,954,616,849.95
  5. Step 5: Solve for x
    x = 58,954,616,849.95/279,933.36
  6. Step 6: Final answer
    x = 210,602.33

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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.