Home / 248,387.70-342,122.04-190,917.12

Finding the Fourth Proportional to 248,387.70, 342,122.04 and 190,917.12

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Solution

The fourth proportional to 248,387.70, 342,122.04 and 190,917.12 is: 262,963.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,387.70 : 342,122.04 = 190,917.12 : x
  2. Step 2: Convert to fraction form
    248,387.70/342,122.04 = 190,917.12/x
  3. Step 3: Cross multiply
    248,387.70x = 342,122.04 × 190,917.12
  4. Step 4: Simplify right side
    248,387.70x = 65,316,954,565.32
  5. Step 5: Solve for x
    x = 65,316,954,565.32/248,387.70
  6. Step 6: Final answer
    x = 262,963.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.