Home / 208,758.28-313,193.88-148,862.40

Finding the Fourth Proportional to 208,758.28, 313,193.88 and 148,862.40

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Solution

The fourth proportional to 208,758.28, 313,193.88 and 148,862.40 is: 223,333.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,758.28 : 313,193.88 = 148,862.40 : x
  2. Step 2: Convert to fraction form
    208,758.28/313,193.88 = 148,862.40/x
  3. Step 3: Cross multiply
    208,758.28x = 313,193.88 × 148,862.40
  4. Step 4: Simplify right side
    208,758.28x = 46,622,792,642.11
  5. Step 5: Solve for x
    x = 46,622,792,642.11/208,758.28
  6. Step 6: Final answer
    x = 223,333.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.