Home / 374,566.78-561,835.27-206,420.50

Finding the Fourth Proportional to 374,566.78, 561,835.27 and 206,420.50

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Solution

The fourth proportional to 374,566.78, 561,835.27 and 206,420.50 is: 309,622.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,566.78 : 561,835.27 = 206,420.50 : x
  2. Step 2: Convert to fraction form
    374,566.78/561,835.27 = 206,420.50/x
  3. Step 3: Cross multiply
    374,566.78x = 561,835.27 × 206,420.50
  4. Step 4: Simplify right side
    374,566.78x = 115,974,317,351.04
  5. Step 5: Solve for x
    x = 115,974,317,351.04/374,566.78
  6. Step 6: Final answer
    x = 309,622.54

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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.