Home / 200,727.28-277,017.06-115,842.52

Finding the Fourth Proportional to 200,727.28, 277,017.06 and 115,842.52

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Solution

The fourth proportional to 200,727.28, 277,017.06 and 115,842.52 is: 159,870.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,727.28 : 277,017.06 = 115,842.52 : x
  2. Step 2: Convert to fraction form
    200,727.28/277,017.06 = 115,842.52/x
  3. Step 3: Cross multiply
    200,727.28x = 277,017.06 × 115,842.52
  4. Step 4: Simplify right side
    200,727.28x = 32,090,354,313.39
  5. Step 5: Solve for x
    x = 32,090,354,313.39/200,727.28
  6. Step 6: Final answer
    x = 159,870.42

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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.