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Finding the Fourth Proportional to 247,982.69, 342,219.51 and 134,807.87

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Solution

The fourth proportional to 247,982.69, 342,219.51 and 134,807.87 is: 186,036.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,982.69 : 342,219.51 = 134,807.87 : x
  2. Step 2: Convert to fraction form
    247,982.69/342,219.51 = 134,807.87/x
  3. Step 3: Cross multiply
    247,982.69x = 342,219.51 × 134,807.87
  4. Step 4: Simplify right side
    247,982.69x = 46,133,881,504.45
  5. Step 5: Solve for x
    x = 46,133,881,504.45/247,982.69
  6. Step 6: Final answer
    x = 186,036.70

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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.