Home / 246,148.05-369,249.78-77,618.51

Finding the Fourth Proportional to 246,148.05, 369,249.78 and 77,618.51

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Solution

The fourth proportional to 246,148.05, 369,249.78 and 77,618.51 is: 116,436.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,148.05 : 369,249.78 = 77,618.51 : x
  2. Step 2: Convert to fraction form
    246,148.05/369,249.78 = 77,618.51/x
  3. Step 3: Cross multiply
    246,148.05x = 369,249.78 × 77,618.51
  4. Step 4: Simplify right side
    246,148.05x = 28,660,617,284.81
  5. Step 5: Solve for x
    x = 28,660,617,284.81/246,148.05
  6. Step 6: Final answer
    x = 116,436.50

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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.