Home / 207,256.20-311,345.10-201,726.60

Finding the Fourth Proportional to 207,256.20, 311,345.10 and 201,726.60

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Solution

The fourth proportional to 207,256.20, 311,345.10 and 201,726.60 is: 303,038.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,256.20 : 311,345.10 = 201,726.60 : x
  2. Step 2: Convert to fraction form
    207,256.20/311,345.10 = 201,726.60/x
  3. Step 3: Cross multiply
    207,256.20x = 311,345.10 × 201,726.60
  4. Step 4: Simplify right side
    207,256.20x = 62,806,588,449.66
  5. Step 5: Solve for x
    x = 62,806,588,449.66/207,256.20
  6. Step 6: Final answer
    x = 303,038.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.