Home / 377,442.78-520,867.02-205,365.97

Finding the Fourth Proportional to 377,442.78, 520,867.02 and 205,365.97

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Solution

The fourth proportional to 377,442.78, 520,867.02 and 205,365.97 is: 283,402.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,442.78 : 520,867.02 = 205,365.97 : x
  2. Step 2: Convert to fraction form
    377,442.78/520,867.02 = 205,365.97/x
  3. Step 3: Cross multiply
    377,442.78x = 520,867.02 × 205,365.97
  4. Step 4: Simplify right side
    377,442.78x = 106,968,360,803.31
  5. Step 5: Solve for x
    x = 106,968,360,803.31/377,442.78
  6. Step 6: Final answer
    x = 283,402.85

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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.