Home / 315,196.40-434,954.04-179,211.58

Finding the Fourth Proportional to 315,196.40, 434,954.04 and 179,211.58

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Solution

The fourth proportional to 315,196.40, 434,954.04 and 179,211.58 is: 247,302.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,196.40 : 434,954.04 = 179,211.58 : x
  2. Step 2: Convert to fraction form
    315,196.40/434,954.04 = 179,211.58/x
  3. Step 3: Cross multiply
    315,196.40x = 434,954.04 × 179,211.58
  4. Step 4: Simplify right side
    315,196.40x = 77,948,800,735.78
  5. Step 5: Solve for x
    x = 77,948,800,735.78/315,196.40
  6. Step 6: Final answer
    x = 247,302.32

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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.