Home / 319,811.04-441,376.56-266,001.12

Finding the Fourth Proportional to 319,811.04, 441,376.56 and 266,001.12

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Solution

The fourth proportional to 319,811.04, 441,376.56 and 266,001.12 is: 367,112.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,811.04 : 441,376.56 = 266,001.12 : x
  2. Step 2: Convert to fraction form
    319,811.04/441,376.56 = 266,001.12/x
  3. Step 3: Cross multiply
    319,811.04x = 441,376.56 × 266,001.12
  4. Step 4: Simplify right side
    319,811.04x = 117,406,659,301.75
  5. Step 5: Solve for x
    x = 117,406,659,301.75/319,811.04
  6. Step 6: Final answer
    x = 367,112.59

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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.