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Finding the Fourth Proportional to 260,283.48, 359,188.69 and 145,560.85

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Solution

The fourth proportional to 260,283.48, 359,188.69 and 145,560.85 is: 200,872.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,283.48 : 359,188.69 = 145,560.85 : x
  2. Step 2: Convert to fraction form
    260,283.48/359,188.69 = 145,560.85/x
  3. Step 3: Cross multiply
    260,283.48x = 359,188.69 × 145,560.85
  4. Step 4: Simplify right side
    260,283.48x = 52,283,811,026.79
  5. Step 5: Solve for x
    x = 52,283,811,026.79/260,283.48
  6. Step 6: Final answer
    x = 200,872.57

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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.