Home / 270,185.90-405,287.04-92,690.34

Finding the Fourth Proportional to 270,185.90, 405,287.04 and 92,690.34

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Solution

The fourth proportional to 270,185.90, 405,287.04 and 92,690.34 is: 139,038.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,185.90 : 405,287.04 = 92,690.34 : x
  2. Step 2: Convert to fraction form
    270,185.90/405,287.04 = 92,690.34/x
  3. Step 3: Cross multiply
    270,185.90x = 405,287.04 × 92,690.34
  4. Step 4: Simplify right side
    270,185.90x = 37,566,193,535.19
  5. Step 5: Solve for x
    x = 37,566,193,535.19/270,185.90
  6. Step 6: Final answer
    x = 139,038.32

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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.