Home / 260,523.12-359,528.34-145,800.86

Finding the Fourth Proportional to 260,523.12, 359,528.34 and 145,800.86

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Solution

The fourth proportional to 260,523.12, 359,528.34 and 145,800.86 is: 201,208.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,523.12 : 359,528.34 = 145,800.86 : x
  2. Step 2: Convert to fraction form
    260,523.12/359,528.34 = 145,800.86/x
  3. Step 3: Cross multiply
    260,523.12x = 359,528.34 × 145,800.86
  4. Step 4: Simplify right side
    260,523.12x = 52,419,539,368.73
  5. Step 5: Solve for x
    x = 52,419,539,368.73/260,523.12
  6. Step 6: Final answer
    x = 201,208.78

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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.