Home / 309,311.14-426,842.27-180,241.39

Finding the Fourth Proportional to 309,311.14, 426,842.27 and 180,241.39

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Solution

The fourth proportional to 309,311.14, 426,842.27 and 180,241.39 is: 248,728.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,311.14 : 426,842.27 = 180,241.39 : x
  2. Step 2: Convert to fraction form
    309,311.14/426,842.27 = 180,241.39/x
  3. Step 3: Cross multiply
    309,311.14x = 426,842.27 × 180,241.39
  4. Step 4: Simplify right side
    309,311.14x = 76,934,644,055.56
  5. Step 5: Solve for x
    x = 76,934,644,055.56/309,311.14
  6. Step 6: Final answer
    x = 248,728.98

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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.