Home / 319,971.60-441,424.08-224,540.64

Finding the Fourth Proportional to 319,971.60, 441,424.08 and 224,540.64

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Solution

The fourth proportional to 319,971.60, 441,424.08 and 224,540.64 is: 309,770.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,971.60 : 441,424.08 = 224,540.64 : x
  2. Step 2: Convert to fraction form
    319,971.60/441,424.08 = 224,540.64/x
  3. Step 3: Cross multiply
    319,971.60x = 441,424.08 × 224,540.64
  4. Step 4: Simplify right side
    319,971.60x = 99,117,645,434.61
  5. Step 5: Solve for x
    x = 99,117,645,434.61/319,971.60
  6. Step 6: Final answer
    x = 309,770.13

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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.