Home / 261,928.40-361,463.68-148,751.96

Finding the Fourth Proportional to 261,928.40, 361,463.68 and 148,751.96

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Solution

The fourth proportional to 261,928.40, 361,463.68 and 148,751.96 is: 205,279.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,928.40 : 361,463.68 = 148,751.96 : x
  2. Step 2: Convert to fraction form
    261,928.40/361,463.68 = 148,751.96/x
  3. Step 3: Cross multiply
    261,928.40x = 361,463.68 × 148,751.96
  4. Step 4: Simplify right side
    261,928.40x = 53,768,430,868.81
  5. Step 5: Solve for x
    x = 53,768,430,868.81/261,928.40
  6. Step 6: Final answer
    x = 205,279.12

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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.