Home / 202,646.40-304,079.04-84,399.36

Finding the Fourth Proportional to 202,646.40, 304,079.04 and 84,399.36

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Solution

The fourth proportional to 202,646.40, 304,079.04 and 84,399.36 is: 126,644.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,646.40 : 304,079.04 = 84,399.36 : x
  2. Step 2: Convert to fraction form
    202,646.40/304,079.04 = 84,399.36/x
  3. Step 3: Cross multiply
    202,646.40x = 304,079.04 × 84,399.36
  4. Step 4: Simplify right side
    202,646.40x = 25,664,076,365.41
  5. Step 5: Solve for x
    x = 25,664,076,365.41/202,646.40
  6. Step 6: Final answer
    x = 126,644.62

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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.