Home / 268,638.14-370,717.97-147,779.57

Finding the Fourth Proportional to 268,638.14, 370,717.97 and 147,779.57

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Solution

The fourth proportional to 268,638.14, 370,717.97 and 147,779.57 is: 203,934.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,638.14 : 370,717.97 = 147,779.57 : x
  2. Step 2: Convert to fraction form
    268,638.14/370,717.97 = 147,779.57/x
  3. Step 3: Cross multiply
    268,638.14x = 370,717.97 × 147,779.57
  4. Step 4: Simplify right side
    268,638.14x = 54,784,539,605.39
  5. Step 5: Solve for x
    x = 54,784,539,605.39/268,638.14
  6. Step 6: Final answer
    x = 203,934.34

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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.