Home / 251,701.14-347,269.35-142,787.52

Finding the Fourth Proportional to 251,701.14, 347,269.35 and 142,787.52

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Solution

The fourth proportional to 251,701.14, 347,269.35 and 142,787.52 is: 197,002.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,701.14 : 347,269.35 = 142,787.52 : x
  2. Step 2: Convert to fraction form
    251,701.14/347,269.35 = 142,787.52/x
  3. Step 3: Cross multiply
    251,701.14x = 347,269.35 × 142,787.52
  4. Step 4: Simplify right side
    251,701.14x = 49,585,729,258.51
  5. Step 5: Solve for x
    x = 49,585,729,258.51/251,701.14
  6. Step 6: Final answer
    x = 197,002.40

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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.