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Finding the Fourth Proportional to 842,310, 1,263,683.88 and 251,334

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Solution

The fourth proportional to 842,310, 1,263,683.88 and 251,334 is: 377,066.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,310 : 1,263,683.88 = 251,334 : x
  2. Step 2: Convert to fraction form
    842,310/1,263,683.88 = 251,334/x
  3. Step 3: Cross multiply
    842,310x = 1,263,683.88 × 251,334
  4. Step 4: Simplify right side
    842,310x = 317,606,724,295.92
  5. Step 5: Solve for x
    x = 317,606,724,295.92/842,310
  6. Step 6: Final answer
    x = 377,066.31

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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.