Home / 260,404.20-359,390.85-145,689.24

Finding the Fourth Proportional to 260,404.20, 359,390.85 and 145,689.24

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Solution

The fourth proportional to 260,404.20, 359,390.85 and 145,689.24 is: 201,069.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,404.20 : 359,390.85 = 145,689.24 : x
  2. Step 2: Convert to fraction form
    260,404.20/359,390.85 = 145,689.24/x
  3. Step 3: Cross multiply
    260,404.20x = 359,390.85 × 145,689.24
  4. Step 4: Simplify right side
    260,404.20x = 52,359,379,799.45
  5. Step 5: Solve for x
    x = 52,359,379,799.45/260,404.20
  6. Step 6: Final answer
    x = 201,069.64

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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.