Home / 221,142.64-304,989.04-186,855.36

Finding the Fourth Proportional to 221,142.64, 304,989.04 and 186,855.36

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Solution

The fourth proportional to 221,142.64, 304,989.04 and 186,855.36 is: 257,701.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,142.64 : 304,989.04 = 186,855.36 : x
  2. Step 2: Convert to fraction form
    221,142.64/304,989.04 = 186,855.36/x
  3. Step 3: Cross multiply
    221,142.64x = 304,989.04 × 186,855.36
  4. Step 4: Simplify right side
    221,142.64x = 56,988,836,865.25
  5. Step 5: Solve for x
    x = 56,988,836,865.25/221,142.64
  6. Step 6: Final answer
    x = 257,701.71

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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.