Home / 538,968.10-808,567.35-165,028.90

Finding the Fourth Proportional to 538,968.10, 808,567.35 and 165,028.90

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Solution

The fourth proportional to 538,968.10, 808,567.35 and 165,028.90 is: 247,578.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,968.10 : 808,567.35 = 165,028.90 : x
  2. Step 2: Convert to fraction form
    538,968.10/808,567.35 = 165,028.90/x
  3. Step 3: Cross multiply
    538,968.10x = 808,567.35 × 165,028.90
  4. Step 4: Simplify right side
    538,968.10x = 133,436,980,346.42
  5. Step 5: Solve for x
    x = 133,436,980,346.42/538,968.10
  6. Step 6: Final answer
    x = 247,578.62

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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.