Home / 260,527.08-390,586.46-102,873.54

Finding the Fourth Proportional to 260,527.08, 390,586.46 and 102,873.54

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Solution

The fourth proportional to 260,527.08, 390,586.46 and 102,873.54 is: 154,229.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,527.08 : 390,586.46 = 102,873.54 : x
  2. Step 2: Convert to fraction form
    260,527.08/390,586.46 = 102,873.54/x
  3. Step 3: Cross multiply
    260,527.08x = 390,586.46 × 102,873.54
  4. Step 4: Simplify right side
    260,527.08x = 40,181,011,816.27
  5. Step 5: Solve for x
    x = 40,181,011,816.27/260,527.08
  6. Step 6: Final answer
    x = 154,229.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.