Home / 236,808.16-355,268.03-76,871.74

Finding the Fourth Proportional to 236,808.16, 355,268.03 and 76,871.74

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Solution

The fourth proportional to 236,808.16, 355,268.03 and 76,871.74 is: 115,325.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,808.16 : 355,268.03 = 76,871.74 : x
  2. Step 2: Convert to fraction form
    236,808.16/355,268.03 = 76,871.74/x
  3. Step 3: Cross multiply
    236,808.16x = 355,268.03 × 76,871.74
  4. Step 4: Simplify right side
    236,808.16x = 27,310,071,632.47
  5. Step 5: Solve for x
    x = 27,310,071,632.47/236,808.16
  6. Step 6: Final answer
    x = 115,325.72

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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.