Home / 279,973.19-419,693.72-178,486.35

Finding the Fourth Proportional to 279,973.19, 419,693.72 and 178,486.35

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Solution

The fourth proportional to 279,973.19, 419,693.72 and 178,486.35 is: 267,559.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,973.19 : 419,693.72 = 178,486.35 : x
  2. Step 2: Convert to fraction form
    279,973.19/419,693.72 = 178,486.35/x
  3. Step 3: Cross multiply
    279,973.19x = 419,693.72 × 178,486.35
  4. Step 4: Simplify right side
    279,973.19x = 74,909,599,308.29
  5. Step 5: Solve for x
    x = 74,909,599,308.29/279,973.19
  6. Step 6: Final answer
    x = 267,559.91

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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.