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Finding the Fourth Proportional to 310,628.66, 465,943.46 and 94,489.29

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Solution

The fourth proportional to 310,628.66, 465,943.46 and 94,489.29 is: 141,734.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,628.66 : 465,943.46 = 94,489.29 : x
  2. Step 2: Convert to fraction form
    310,628.66/465,943.46 = 94,489.29/x
  3. Step 3: Cross multiply
    310,628.66x = 465,943.46 × 94,489.29
  4. Step 4: Simplify right side
    310,628.66x = 44,026,666,243.10
  5. Step 5: Solve for x
    x = 44,026,666,243.10/310,628.66
  6. Step 6: Final answer
    x = 141,734.08

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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.