Home / 260,073.81-390,124.22-82,594.71

Finding the Fourth Proportional to 260,073.81, 390,124.22 and 82,594.71

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Solution

The fourth proportional to 260,073.81, 390,124.22 and 82,594.71 is: 123,896.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,073.81 : 390,124.22 = 82,594.71 : x
  2. Step 2: Convert to fraction form
    260,073.81/390,124.22 = 82,594.71/x
  3. Step 3: Cross multiply
    260,073.81x = 390,124.22 × 82,594.71
  4. Step 4: Simplify right side
    260,073.81x = 32,222,196,401.90
  5. Step 5: Solve for x
    x = 32,222,196,401.90/260,073.81
  6. Step 6: Final answer
    x = 123,896.35

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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.