Home / 248,787.88-342,979.43-210,393.05

Finding the Fourth Proportional to 248,787.88, 342,979.43 and 210,393.05

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Solution

The fourth proportional to 248,787.88, 342,979.43 and 210,393.05 is: 290,048.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,787.88 : 342,979.43 = 210,393.05 : x
  2. Step 2: Convert to fraction form
    248,787.88/342,979.43 = 210,393.05/x
  3. Step 3: Cross multiply
    248,787.88x = 342,979.43 × 210,393.05
  4. Step 4: Simplify right side
    248,787.88x = 72,160,485,598.10
  5. Step 5: Solve for x
    x = 72,160,485,598.10/248,787.88
  6. Step 6: Final answer
    x = 290,048.24

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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.