Home / 265,268.27-397,828.28-105,272.21

Finding the Fourth Proportional to 265,268.27, 397,828.28 and 105,272.21

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Solution

The fourth proportional to 265,268.27, 397,828.28 and 105,272.21 is: 157,878.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,268.27 : 397,828.28 = 105,272.21 : x
  2. Step 2: Convert to fraction form
    265,268.27/397,828.28 = 105,272.21/x
  3. Step 3: Cross multiply
    265,268.27x = 397,828.28 × 105,272.21
  4. Step 4: Simplify right side
    265,268.27x = 41,880,259,720.60
  5. Step 5: Solve for x
    x = 41,880,259,720.60/265,268.27
  6. Step 6: Final answer
    x = 157,878.89

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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.