Home / 311,322.15-429,497.10-229,845.33

Finding the Fourth Proportional to 311,322.15, 429,497.10 and 229,845.33

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Solution

The fourth proportional to 311,322.15, 429,497.10 and 229,845.33 is: 317,092.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,322.15 : 429,497.10 = 229,845.33 : x
  2. Step 2: Convert to fraction form
    311,322.15/429,497.10 = 229,845.33/x
  3. Step 3: Cross multiply
    311,322.15x = 429,497.10 × 229,845.33
  4. Step 4: Simplify right side
    311,322.15x = 98,717,902,683.54
  5. Step 5: Solve for x
    x = 98,717,902,683.54/311,322.15
  6. Step 6: Final answer
    x = 317,092.45

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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.