Home / 294,727.20-442,090.80-73,111.20

Finding the Fourth Proportional to 294,727.20, 442,090.80 and 73,111.20

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Solution

The fourth proportional to 294,727.20, 442,090.80 and 73,111.20 is: 109,666.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,727.20 : 442,090.80 = 73,111.20 : x
  2. Step 2: Convert to fraction form
    294,727.20/442,090.80 = 73,111.20/x
  3. Step 3: Cross multiply
    294,727.20x = 442,090.80 × 73,111.20
  4. Step 4: Simplify right side
    294,727.20x = 32,321,788,896.96
  5. Step 5: Solve for x
    x = 32,321,788,896.96/294,727.20
  6. Step 6: Final answer
    x = 109,666.80

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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.