Home / 211,256.26-315,246.46-188,822.50

Finding the Fourth Proportional to 211,256.26, 315,246.46 and 188,822.50

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Solution

The fourth proportional to 211,256.26, 315,246.46 and 188,822.50 is: 281,769.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,256.26 : 315,246.46 = 188,822.50 : x
  2. Step 2: Convert to fraction form
    211,256.26/315,246.46 = 188,822.50/x
  3. Step 3: Cross multiply
    211,256.26x = 315,246.46 × 188,822.50
  4. Step 4: Simplify right side
    211,256.26x = 59,525,624,693.35
  5. Step 5: Solve for x
    x = 59,525,624,693.35/211,256.26
  6. Step 6: Final answer
    x = 281,769.76

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.