Home / 209,760.37-314,519.05-143,280.83

Finding the Fourth Proportional to 209,760.37, 314,519.05 and 143,280.83

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Solution

The fourth proportional to 209,760.37, 314,519.05 and 143,280.83 is: 214,838.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,760.37 : 314,519.05 = 143,280.83 : x
  2. Step 2: Convert to fraction form
    209,760.37/314,519.05 = 143,280.83/x
  3. Step 3: Cross multiply
    209,760.37x = 314,519.05 × 143,280.83
  4. Step 4: Simplify right side
    209,760.37x = 45,064,551,500.21
  5. Step 5: Solve for x
    x = 45,064,551,500.21/209,760.37
  6. Step 6: Final answer
    x = 214,838.26

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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.