Home / 374,938.36-517,414.98-205,172.50

Finding the Fourth Proportional to 374,938.36, 517,414.98 and 205,172.50

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Solution

The fourth proportional to 374,938.36, 517,414.98 and 205,172.50 is: 283,138.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,938.36 : 517,414.98 = 205,172.50 : x
  2. Step 2: Convert to fraction form
    374,938.36/517,414.98 = 205,172.50/x
  3. Step 3: Cross multiply
    374,938.36x = 517,414.98 × 205,172.50
  4. Step 4: Simplify right side
    374,938.36x = 106,159,324,984.05
  5. Step 5: Solve for x
    x = 106,159,324,984.05/374,938.36
  6. Step 6: Final answer
    x = 283,138.07

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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.