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Finding the Fourth Proportional to 504,362.08, 756,346.29 and 220,139.56

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Solution

The fourth proportional to 504,362.08, 756,346.29 and 220,139.56 is: 330,123.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,362.08 : 756,346.29 = 220,139.56 : x
  2. Step 2: Convert to fraction form
    504,362.08/756,346.29 = 220,139.56/x
  3. Step 3: Cross multiply
    504,362.08x = 756,346.29 × 220,139.56
  4. Step 4: Simplify right side
    504,362.08x = 166,501,739,488.23
  5. Step 5: Solve for x
    x = 166,501,739,488.23/504,362.08
  6. Step 6: Final answer
    x = 330,123.43

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1.5x scale

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.