Home / 485,243.36-727,865.04-189,548

Finding the Fourth Proportional to 485,243.36, 727,865.04 and 189,548

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Solution

The fourth proportional to 485,243.36, 727,865.04 and 189,548 is: 284,322.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,243.36 : 727,865.04 = 189,548 : x
  2. Step 2: Convert to fraction form
    485,243.36/727,865.04 = 189,548/x
  3. Step 3: Cross multiply
    485,243.36x = 727,865.04 × 189,548
  4. Step 4: Simplify right side
    485,243.36x = 137,965,362,601.92
  5. Step 5: Solve for x
    x = 137,965,362,601.92/485,243.36
  6. Step 6: Final answer
    x = 284,322.00

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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.