Home / 319,226.67-440,217.18-270,960.39

Finding the Fourth Proportional to 319,226.67, 440,217.18 and 270,960.39

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Solution

The fourth proportional to 319,226.67, 440,217.18 and 270,960.39 is: 373,657.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,226.67 : 440,217.18 = 270,960.39 : x
  2. Step 2: Convert to fraction form
    319,226.67/440,217.18 = 270,960.39/x
  3. Step 3: Cross multiply
    319,226.67x = 440,217.18 × 270,960.39
  4. Step 4: Simplify right side
    319,226.67x = 119,281,418,777.50
  5. Step 5: Solve for x
    x = 119,281,418,777.50/319,226.67
  6. Step 6: Final answer
    x = 373,657.44

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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.