Home / 401,985.81-554,751.25-227,542.50

Finding the Fourth Proportional to 401,985.81, 554,751.25 and 227,542.50

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Solution

The fourth proportional to 401,985.81, 554,751.25 and 227,542.50 is: 314,014.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,985.81 : 554,751.25 = 227,542.50 : x
  2. Step 2: Convert to fraction form
    401,985.81/554,751.25 = 227,542.50/x
  3. Step 3: Cross multiply
    401,985.81x = 554,751.25 × 227,542.50
  4. Step 4: Simplify right side
    401,985.81x = 126,229,485,734.27
  5. Step 5: Solve for x
    x = 126,229,485,734.27/401,985.81
  6. Step 6: Final answer
    x = 314,014.78

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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.