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Finding the Fourth Proportional to 537,071.67, 741,178.41 and 307,673.29

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Solution

The fourth proportional to 537,071.67, 741,178.41 and 307,673.29 is: 424,600.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,071.67 : 741,178.41 = 307,673.29 : x
  2. Step 2: Convert to fraction form
    537,071.67/741,178.41 = 307,673.29/x
  3. Step 3: Cross multiply
    537,071.67x = 741,178.41 × 307,673.29
  4. Step 4: Simplify right side
    537,071.67x = 228,040,799,881.67
  5. Step 5: Solve for x
    x = 228,040,799,881.67/537,071.67
  6. Step 6: Final answer
    x = 424,600.31

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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.