Home / 248,299.78-342,661.47-140,874.34

Finding the Fourth Proportional to 248,299.78, 342,661.47 and 140,874.34

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Solution

The fourth proportional to 248,299.78, 342,661.47 and 140,874.34 is: 194,411.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,299.78 : 342,661.47 = 140,874.34 : x
  2. Step 2: Convert to fraction form
    248,299.78/342,661.47 = 140,874.34/x
  3. Step 3: Cross multiply
    248,299.78x = 342,661.47 × 140,874.34
  4. Step 4: Simplify right side
    248,299.78x = 48,272,208,429.68
  5. Step 5: Solve for x
    x = 48,272,208,429.68/248,299.78
  6. Step 6: Final answer
    x = 194,411.00

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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.