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Finding the Fourth Proportional to 304,933.98, 420,814.98 and 177,617.78

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Solution

The fourth proportional to 304,933.98, 420,814.98 and 177,617.78 is: 245,116.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,933.98 : 420,814.98 = 177,617.78 : x
  2. Step 2: Convert to fraction form
    304,933.98/420,814.98 = 177,617.78/x
  3. Step 3: Cross multiply
    304,933.98x = 420,814.98 × 177,617.78
  4. Step 4: Simplify right side
    304,933.98x = 74,744,220,434.27
  5. Step 5: Solve for x
    x = 74,744,220,434.27/304,933.98
  6. Step 6: Final answer
    x = 245,116.08

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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.