Home / 260,616.42-390,998.64-134,349.24

Finding the Fourth Proportional to 260,616.42, 390,998.64 and 134,349.24

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Solution

The fourth proportional to 260,616.42, 390,998.64 and 134,349.24 is: 201,562.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,616.42 : 390,998.64 = 134,349.24 : x
  2. Step 2: Convert to fraction form
    260,616.42/390,998.64 = 134,349.24/x
  3. Step 3: Cross multiply
    260,616.42x = 390,998.64 × 134,349.24
  4. Step 4: Simplify right side
    260,616.42x = 52,530,370,125.03
  5. Step 5: Solve for x
    x = 52,530,370,125.03/260,616.42
  6. Step 6: Final answer
    x = 201,562.01

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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.