Home / 312,848.58-431,725.41-176,880.18

Finding the Fourth Proportional to 312,848.58, 431,725.41 and 176,880.18

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Solution

The fourth proportional to 312,848.58, 431,725.41 and 176,880.18 is: 244,091.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,848.58 : 431,725.41 = 176,880.18 : x
  2. Step 2: Convert to fraction form
    312,848.58/431,725.41 = 176,880.18/x
  3. Step 3: Cross multiply
    312,848.58x = 431,725.41 × 176,880.18
  4. Step 4: Simplify right side
    312,848.58x = 76,363,668,231.37
  5. Step 5: Solve for x
    x = 76,363,668,231.37/312,848.58
  6. Step 6: Final answer
    x = 244,091.47

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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.