Home / 226,281.62-312,293.14-144,683.84

Finding the Fourth Proportional to 226,281.62, 312,293.14 and 144,683.84

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Solution

The fourth proportional to 226,281.62, 312,293.14 and 144,683.84 is: 199,679.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,281.62 : 312,293.14 = 144,683.84 : x
  2. Step 2: Convert to fraction form
    226,281.62/312,293.14 = 144,683.84/x
  3. Step 3: Cross multiply
    226,281.62x = 312,293.14 × 144,683.84
  4. Step 4: Simplify right side
    226,281.62x = 45,183,770,700.86
  5. Step 5: Solve for x
    x = 45,183,770,700.86/226,281.62
  6. Step 6: Final answer
    x = 199,679.37

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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.