Home / 319,812.04-441,377.94-266,002.12

Finding the Fourth Proportional to 319,812.04, 441,377.94 and 266,002.12

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Solution

The fourth proportional to 319,812.04, 441,377.94 and 266,002.12 is: 367,113.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,812.04 : 441,377.94 = 266,002.12 : x
  2. Step 2: Convert to fraction form
    319,812.04/441,377.94 = 266,002.12/x
  3. Step 3: Cross multiply
    319,812.04x = 441,377.94 × 266,002.12
  4. Step 4: Simplify right side
    319,812.04x = 117,407,467,761.23
  5. Step 5: Solve for x
    x = 117,407,467,761.23/319,812.04
  6. Step 6: Final answer
    x = 367,113.97

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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.