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Finding the Fourth Proportional to 582,153.53, 873,168.84 and 155,732.36

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Solution

The fourth proportional to 582,153.53, 873,168.84 and 155,732.36 is: 233,582.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,153.53 : 873,168.84 = 155,732.36 : x
  2. Step 2: Convert to fraction form
    582,153.53/873,168.84 = 155,732.36/x
  3. Step 3: Cross multiply
    582,153.53x = 873,168.84 × 155,732.36
  4. Step 4: Simplify right side
    582,153.53x = 135,980,639,765.82
  5. Step 5: Solve for x
    x = 135,980,639,765.82/582,153.53
  6. Step 6: Final answer
    x = 233,582.09

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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.