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Finding the Fourth Proportional to 371,636.73, 513,071.16 and 244,681.38

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Solution

The fourth proportional to 371,636.73, 513,071.16 and 244,681.38 is: 337,800.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,636.73 : 513,071.16 = 244,681.38 : x
  2. Step 2: Convert to fraction form
    371,636.73/513,071.16 = 244,681.38/x
  3. Step 3: Cross multiply
    371,636.73x = 513,071.16 × 244,681.38
  4. Step 4: Simplify right side
    371,636.73x = 125,538,959,467.00
  5. Step 5: Solve for x
    x = 125,538,959,467.00/371,636.73
  6. Step 6: Final answer
    x = 337,800.19

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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.