Home / 204,639.60-306,959.40-189,877.35

Finding the Fourth Proportional to 204,639.60, 306,959.40 and 189,877.35

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Solution

The fourth proportional to 204,639.60, 306,959.40 and 189,877.35 is: 284,816.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,639.60 : 306,959.40 = 189,877.35 : x
  2. Step 2: Convert to fraction form
    204,639.60/306,959.40 = 189,877.35/x
  3. Step 3: Cross multiply
    204,639.60x = 306,959.40 × 189,877.35
  4. Step 4: Simplify right side
    204,639.60x = 58,284,637,429.59
  5. Step 5: Solve for x
    x = 58,284,637,429.59/204,639.60
  6. Step 6: Final answer
    x = 284,816.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.