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Finding the Fourth Proportional to 582,263.28, 873,395.28 and 161,539.56

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Solution

The fourth proportional to 582,263.28, 873,395.28 and 161,539.56 is: 242,309.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,263.28 : 873,395.28 = 161,539.56 : x
  2. Step 2: Convert to fraction form
    582,263.28/873,395.28 = 161,539.56/x
  3. Step 3: Cross multiply
    582,263.28x = 873,395.28 × 161,539.56
  4. Step 4: Simplify right side
    582,263.28x = 141,087,889,237.28
  5. Step 5: Solve for x
    x = 141,087,889,237.28/582,263.28
  6. Step 6: Final answer
    x = 242,309.44

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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.