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Finding the Fourth Proportional to 452,099.19, 623,892.94 and 248,158.68

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Solution

The fourth proportional to 452,099.19, 623,892.94 and 248,158.68 is: 342,456.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,099.19 : 623,892.94 = 248,158.68 : x
  2. Step 2: Convert to fraction form
    452,099.19/623,892.94 = 248,158.68/x
  3. Step 3: Cross multiply
    452,099.19x = 623,892.94 × 248,158.68
  4. Step 4: Simplify right side
    452,099.19x = 154,824,448,451.72
  5. Step 5: Solve for x
    x = 154,824,448,451.72/452,099.19
  6. Step 6: Final answer
    x = 342,456.81

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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.