Home / 261,311.04-360,609.28-148,133.80

Finding the Fourth Proportional to 261,311.04, 360,609.28 and 148,133.80

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Solution

The fourth proportional to 261,311.04, 360,609.28 and 148,133.80 is: 204,424.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,311.04 : 360,609.28 = 148,133.80 : x
  2. Step 2: Convert to fraction form
    261,311.04/360,609.28 = 148,133.80/x
  3. Step 3: Cross multiply
    261,311.04x = 360,609.28 × 148,133.80
  4. Step 4: Simplify right side
    261,311.04x = 53,418,422,961.66
  5. Step 5: Solve for x
    x = 53,418,422,961.66/261,311.04
  6. Step 6: Final answer
    x = 204,424.67

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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.