Home / 315,184.50-434,954.61-202,007.25

Finding the Fourth Proportional to 315,184.50, 434,954.61 and 202,007.25

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Solution

The fourth proportional to 315,184.50, 434,954.61 and 202,007.25 is: 278,770.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,184.50 : 434,954.61 = 202,007.25 : x
  2. Step 2: Convert to fraction form
    315,184.50/434,954.61 = 202,007.25/x
  3. Step 3: Cross multiply
    315,184.50x = 434,954.61 × 202,007.25
  4. Step 4: Simplify right side
    315,184.50x = 87,863,984,640.92
  5. Step 5: Solve for x
    x = 87,863,984,640.92/315,184.50
  6. Step 6: Final answer
    x = 278,770.01

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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.