Home / 374,898.78-517,360.26-205,132.86

Finding the Fourth Proportional to 374,898.78, 517,360.26 and 205,132.86

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Solution

The fourth proportional to 374,898.78, 517,360.26 and 205,132.86 is: 283,083.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,898.78 : 517,360.26 = 205,132.86 : x
  2. Step 2: Convert to fraction form
    374,898.78/517,360.26 = 205,132.86/x
  3. Step 3: Cross multiply
    374,898.78x = 517,360.26 × 205,132.86
  4. Step 4: Simplify right side
    374,898.78x = 106,127,589,784.14
  5. Step 5: Solve for x
    x = 106,127,589,784.14/374,898.78
  6. Step 6: Final answer
    x = 283,083.32

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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.