Home / 288,368.28-395,057.96-277,586.66

Finding the Fourth Proportional to 288,368.28, 395,057.96 and 277,586.66

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Solution

The fourth proportional to 288,368.28, 395,057.96 and 277,586.66 is: 380,287.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,368.28 : 395,057.96 = 277,586.66 : x
  2. Step 2: Convert to fraction form
    288,368.28/395,057.96 = 277,586.66/x
  3. Step 3: Cross multiply
    288,368.28x = 395,057.96 × 277,586.66
  4. Step 4: Simplify right side
    288,368.28x = 109,662,820,263.48
  5. Step 5: Solve for x
    x = 109,662,820,263.48/288,368.28
  6. Step 6: Final answer
    x = 380,287.39

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.