Home / 276,911.88-382,138.39-149,587.48

Finding the Fourth Proportional to 276,911.88, 382,138.39 and 149,587.48

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Solution

The fourth proportional to 276,911.88, 382,138.39 and 149,587.48 is: 206,430.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,911.88 : 382,138.39 = 149,587.48 : x
  2. Step 2: Convert to fraction form
    276,911.88/382,138.39 = 149,587.48/x
  3. Step 3: Cross multiply
    276,911.88x = 382,138.39 × 149,587.48
  4. Step 4: Simplify right side
    276,911.88x = 57,163,118,771.36
  5. Step 5: Solve for x
    x = 57,163,118,771.36/276,911.88
  6. Step 6: Final answer
    x = 206,430.72

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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.