Home / 278,603.20-417,618.84-110,055.28

Finding the Fourth Proportional to 278,603.20, 417,618.84 and 110,055.28

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Solution

The fourth proportional to 278,603.20, 417,618.84 and 110,055.28 is: 164,969.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,603.20 : 417,618.84 = 110,055.28 : x
  2. Step 2: Convert to fraction form
    278,603.20/417,618.84 = 110,055.28/x
  3. Step 3: Cross multiply
    278,603.20x = 417,618.84 × 110,055.28
  4. Step 4: Simplify right side
    278,603.20x = 45,961,158,369.48
  5. Step 5: Solve for x
    x = 45,961,158,369.48/278,603.20
  6. Step 6: Final answer
    x = 164,969.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.