Home / 248,210.28-342,536.16-140,787.60

Finding the Fourth Proportional to 248,210.28, 342,536.16 and 140,787.60

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Solution

The fourth proportional to 248,210.28, 342,536.16 and 140,787.60 is: 194,290.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,210.28 : 342,536.16 = 140,787.60 : x
  2. Step 2: Convert to fraction form
    248,210.28/342,536.16 = 140,787.60/x
  3. Step 3: Cross multiply
    248,210.28x = 342,536.16 × 140,787.60
  4. Step 4: Simplify right side
    248,210.28x = 48,224,843,879.62
  5. Step 5: Solve for x
    x = 48,224,843,879.62/248,210.28
  6. Step 6: Final answer
    x = 194,290.28

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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.