Home / 276,987.18-382,271.69-162,362.13

Finding the Fourth Proportional to 276,987.18, 382,271.69 and 162,362.13

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Solution

The fourth proportional to 276,987.18, 382,271.69 and 162,362.13 is: 224,076.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,987.18 : 382,271.69 = 162,362.13 : x
  2. Step 2: Convert to fraction form
    276,987.18/382,271.69 = 162,362.13/x
  3. Step 3: Cross multiply
    276,987.18x = 382,271.69 × 162,362.13
  4. Step 4: Simplify right side
    276,987.18x = 62,066,444,799.49
  5. Step 5: Solve for x
    x = 62,066,444,799.49/276,987.18
  6. Step 6: Final answer
    x = 224,076.96

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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.