Home / 260,348.41-390,883.92-134,078.77

Finding the Fourth Proportional to 260,348.41, 390,883.92 and 134,078.77

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Solution

The fourth proportional to 260,348.41, 390,883.92 and 134,078.77 is: 201,304.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,348.41 : 390,883.92 = 134,078.77 : x
  2. Step 2: Convert to fraction form
    260,348.41/390,883.92 = 134,078.77/x
  3. Step 3: Cross multiply
    260,348.41x = 390,883.92 × 134,078.77
  4. Step 4: Simplify right side
    260,348.41x = 52,409,235,206.38
  5. Step 5: Solve for x
    x = 52,409,235,206.38/260,348.41
  6. Step 6: Final answer
    x = 201,304.23

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1.5x scale

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.