Home / 279,884.04-386,228.52-152,556.84

Finding the Fourth Proportional to 279,884.04, 386,228.52 and 152,556.84

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Solution

The fourth proportional to 279,884.04, 386,228.52 and 152,556.84 is: 210,522.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,884.04 : 386,228.52 = 152,556.84 : x
  2. Step 2: Convert to fraction form
    279,884.04/386,228.52 = 152,556.84/x
  3. Step 3: Cross multiply
    279,884.04x = 386,228.52 × 152,556.84
  4. Step 4: Simplify right side
    279,884.04x = 58,921,802,529.08
  5. Step 5: Solve for x
    x = 58,921,802,529.08/279,884.04
  6. Step 6: Final answer
    x = 210,522.20

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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.