Home / 536,871.13-805,288.25-137,515.37

Finding the Fourth Proportional to 536,871.13, 805,288.25 and 137,515.37

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Solution

The fourth proportional to 536,871.13, 805,288.25 and 137,515.37 is: 206,268.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,871.13 : 805,288.25 = 137,515.37 : x
  2. Step 2: Convert to fraction form
    536,871.13/805,288.25 = 137,515.37/x
  3. Step 3: Cross multiply
    536,871.13x = 805,288.25 × 137,515.37
  4. Step 4: Simplify right side
    536,871.13x = 110,739,507,972.75
  5. Step 5: Solve for x
    x = 110,739,507,972.75/536,871.13
  6. Step 6: Final answer
    x = 206,268.32

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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.