Home / 278,004.23-416,848.35-109,433.25

Finding the Fourth Proportional to 278,004.23, 416,848.35 and 109,433.25

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Solution

The fourth proportional to 278,004.23, 416,848.35 and 109,433.25 is: 164,087.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,004.23 : 416,848.35 = 109,433.25 : x
  2. Step 2: Convert to fraction form
    278,004.23/416,848.35 = 109,433.25/x
  3. Step 3: Cross multiply
    278,004.23x = 416,848.35 × 109,433.25
  4. Step 4: Simplify right side
    278,004.23x = 45,617,069,697.64
  5. Step 5: Solve for x
    x = 45,617,069,697.64/278,004.23
  6. Step 6: Final answer
    x = 164,087.68

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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.