Home / 351,499.11-485,068.03-190,353.66

Finding the Fourth Proportional to 351,499.11, 485,068.03 and 190,353.66

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Solution

The fourth proportional to 351,499.11, 485,068.03 and 190,353.66 is: 262,687.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,499.11 : 485,068.03 = 190,353.66 : x
  2. Step 2: Convert to fraction form
    351,499.11/485,068.03 = 190,353.66/x
  3. Step 3: Cross multiply
    351,499.11x = 485,068.03 × 190,353.66
  4. Step 4: Simplify right side
    351,499.11x = 92,334,473,907.72
  5. Step 5: Solve for x
    x = 92,334,473,907.72/351,499.11
  6. Step 6: Final answer
    x = 262,687.65

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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.