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Finding the Fourth Proportional to 294,889.01, 406,933.42 and 180,359.46

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Solution

The fourth proportional to 294,889.01, 406,933.42 and 180,359.46 is: 248,887.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,889.01 : 406,933.42 = 180,359.46 : x
  2. Step 2: Convert to fraction form
    294,889.01/406,933.42 = 180,359.46/x
  3. Step 3: Cross multiply
    294,889.01x = 406,933.42 × 180,359.46
  4. Step 4: Simplify right side
    294,889.01x = 73,394,291,774.43
  5. Step 5: Solve for x
    x = 73,394,291,774.43/294,889.01
  6. Step 6: Final answer
    x = 248,887.85

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1.5x scale

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.