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Finding the Fourth Proportional to 260,517, 359,513.46 and 147,337.32

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Solution

The fourth proportional to 260,517, 359,513.46 and 147,337.32 is: 203,325.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,517 : 359,513.46 = 147,337.32 : x
  2. Step 2: Convert to fraction form
    260,517/359,513.46 = 147,337.32/x
  3. Step 3: Cross multiply
    260,517x = 359,513.46 × 147,337.32
  4. Step 4: Simplify right side
    260,517x = 52,969,749,700.33
  5. Step 5: Solve for x
    x = 52,969,749,700.33/260,517
  6. Step 6: Final answer
    x = 203,325.50

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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.