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Finding the Fourth Proportional to 260,347.41, 390,882.42 and 134,077.77

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Solution

The fourth proportional to 260,347.41, 390,882.42 and 134,077.77 is: 201,302.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,347.41 : 390,882.42 = 134,077.77 : x
  2. Step 2: Convert to fraction form
    260,347.41/390,882.42 = 134,077.77/x
  3. Step 3: Cross multiply
    260,347.41x = 390,882.42 × 134,077.77
  4. Step 4: Simplify right side
    260,347.41x = 52,408,643,205.80
  5. Step 5: Solve for x
    x = 52,408,643,205.80/260,347.41
  6. Step 6: Final answer
    x = 201,302.73

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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.