Home / 305,722.20-458,479.55-116,136.84

Finding the Fourth Proportional to 305,722.20, 458,479.55 and 116,136.84

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Solution

The fourth proportional to 305,722.20, 458,479.55 and 116,136.84 is: 174,165.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,722.20 : 458,479.55 = 116,136.84 : x
  2. Step 2: Convert to fraction form
    305,722.20/458,479.55 = 116,136.84/x
  3. Step 3: Cross multiply
    305,722.20x = 458,479.55 × 116,136.84
  4. Step 4: Simplify right side
    305,722.20x = 53,246,363,268.54
  5. Step 5: Solve for x
    x = 53,246,363,268.54/305,722.20
  6. Step 6: Final answer
    x = 174,165.84

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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.