Home / 228,292.17-314,971.78-137,675.85

Finding the Fourth Proportional to 228,292.17, 314,971.78 and 137,675.85

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Solution

The fourth proportional to 228,292.17, 314,971.78 and 137,675.85 is: 189,949.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,292.17 : 314,971.78 = 137,675.85 : x
  2. Step 2: Convert to fraction form
    228,292.17/314,971.78 = 137,675.85/x
  3. Step 3: Cross multiply
    228,292.17x = 314,971.78 × 137,675.85
  4. Step 4: Simplify right side
    228,292.17x = 43,364,007,537.51
  5. Step 5: Solve for x
    x = 43,364,007,537.51/228,292.17
  6. Step 6: Final answer
    x = 189,949.61

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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.