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Finding the Fourth Proportional to 307,955.61, 461,943.14 and 97,595.37

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Solution

The fourth proportional to 307,955.61, 461,943.14 and 97,595.37 is: 146,396.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,955.61 : 461,943.14 = 97,595.37 : x
  2. Step 2: Convert to fraction form
    307,955.61/461,943.14 = 97,595.37/x
  3. Step 3: Cross multiply
    307,955.61x = 461,943.14 × 97,595.37
  4. Step 4: Simplify right side
    307,955.61x = 45,083,511,179.29
  5. Step 5: Solve for x
    x = 45,083,511,179.29/307,955.61
  6. Step 6: Final answer
    x = 146,396.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.