Home / 449,373.22-620,131.85-245,424.13

Finding the Fourth Proportional to 449,373.22, 620,131.85 and 245,424.13

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Solution

The fourth proportional to 449,373.22, 620,131.85 and 245,424.13 is: 338,683.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,373.22 : 620,131.85 = 245,424.13 : x
  2. Step 2: Convert to fraction form
    449,373.22/620,131.85 = 245,424.13/x
  3. Step 3: Cross multiply
    449,373.22x = 620,131.85 × 245,424.13
  4. Step 4: Simplify right side
    449,373.22x = 152,195,317,914.43
  5. Step 5: Solve for x
    x = 152,195,317,914.43/449,373.22
  6. Step 6: Final answer
    x = 338,683.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.