Home / 276,889.03-382,106.80-149,564.63

Finding the Fourth Proportional to 276,889.03, 382,106.80 and 149,564.63

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Solution

The fourth proportional to 276,889.03, 382,106.80 and 149,564.63 is: 206,399.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,889.03 : 382,106.80 = 149,564.63 : x
  2. Step 2: Convert to fraction form
    276,889.03/382,106.80 = 149,564.63/x
  3. Step 3: Cross multiply
    276,889.03x = 382,106.80 × 149,564.63
  4. Step 4: Simplify right side
    276,889.03x = 57,149,662,162.48
  5. Step 5: Solve for x
    x = 57,149,662,162.48/276,889.03
  6. Step 6: Final answer
    x = 206,399.16

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1.5x scale

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.