Home / 374,918.40-517,380.48-205,149.12

Finding the Fourth Proportional to 374,918.40, 517,380.48 and 205,149.12

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Solution

The fourth proportional to 374,918.40, 517,380.48 and 205,149.12 is: 283,102.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,918.40 : 517,380.48 = 205,149.12 : x
  2. Step 2: Convert to fraction form
    374,918.40/517,380.48 = 205,149.12/x
  3. Step 3: Cross multiply
    374,918.40x = 517,380.48 × 205,149.12
  4. Step 4: Simplify right side
    374,918.40x = 106,140,150,177.18
  5. Step 5: Solve for x
    x = 106,140,150,177.18/374,918.40
  6. Step 6: Final answer
    x = 283,102.00

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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.