Home / 409,025.93-613,566.92-139,044.21

Finding the Fourth Proportional to 409,025.93, 613,566.92 and 139,044.21

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Solution

The fourth proportional to 409,025.93, 613,566.92 and 139,044.21 is: 208,575.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,025.93 : 613,566.92 = 139,044.21 : x
  2. Step 2: Convert to fraction form
    409,025.93/613,566.92 = 139,044.21/x
  3. Step 3: Cross multiply
    409,025.93x = 613,566.92 × 139,044.21
  4. Step 4: Simplify right side
    409,025.93x = 85,312,927,673.53
  5. Step 5: Solve for x
    x = 85,312,927,673.53/409,025.93
  6. Step 6: Final answer
    x = 208,575.84

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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.