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Finding the Fourth Proportional to 304,525.56, 420,234.48 and 168,559.80

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Solution

The fourth proportional to 304,525.56, 420,234.48 and 168,559.80 is: 232,606.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,525.56 : 420,234.48 = 168,559.80 : x
  2. Step 2: Convert to fraction form
    304,525.56/420,234.48 = 168,559.80/x
  3. Step 3: Cross multiply
    304,525.56x = 420,234.48 × 168,559.80
  4. Step 4: Simplify right side
    304,525.56x = 70,834,639,901.90
  5. Step 5: Solve for x
    x = 70,834,639,901.90/304,525.56
  6. Step 6: Final answer
    x = 232,606.55

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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.