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Finding the Fourth Proportional to 260,597.28, 359,499.60 and 151,701.60

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Solution

The fourth proportional to 260,597.28, 359,499.60 and 151,701.60 is: 209,275.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,597.28 : 359,499.60 = 151,701.60 : x
  2. Step 2: Convert to fraction form
    260,597.28/359,499.60 = 151,701.60/x
  3. Step 3: Cross multiply
    260,597.28x = 359,499.60 × 151,701.60
  4. Step 4: Simplify right side
    260,597.28x = 54,536,664,519.36
  5. Step 5: Solve for x
    x = 54,536,664,519.36/260,597.28
  6. Step 6: Final answer
    x = 209,275.65

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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.