Home / 209,782.17-314,771.67-104,609.34

Finding the Fourth Proportional to 209,782.17, 314,771.67 and 104,609.34

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Solution

The fourth proportional to 209,782.17, 314,771.67 and 104,609.34 is: 156,963.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,782.17 : 314,771.67 = 104,609.34 : x
  2. Step 2: Convert to fraction form
    209,782.17/314,771.67 = 104,609.34/x
  3. Step 3: Cross multiply
    209,782.17x = 314,771.67 × 104,609.34
  4. Step 4: Simplify right side
    209,782.17x = 32,928,056,649.40
  5. Step 5: Solve for x
    x = 32,928,056,649.40/209,782.17
  6. Step 6: Final answer
    x = 156,963.09

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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.