Home / 270,690.28-405,895.51-118,825.20

Finding the Fourth Proportional to 270,690.28, 405,895.51 and 118,825.20

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Solution

The fourth proportional to 270,690.28, 405,895.51 and 118,825.20 is: 178,176.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,690.28 : 405,895.51 = 118,825.20 : x
  2. Step 2: Convert to fraction form
    270,690.28/405,895.51 = 118,825.20/x
  3. Step 3: Cross multiply
    270,690.28x = 405,895.51 × 118,825.20
  4. Step 4: Simplify right side
    270,690.28x = 48,230,615,303.38
  5. Step 5: Solve for x
    x = 48,230,615,303.38/270,690.28
  6. Step 6: Final answer
    x = 178,176.39

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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.