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Finding the Fourth Proportional to 304,846.50, 420,687.36 and 168,880.71

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Solution

The fourth proportional to 304,846.50, 420,687.36 and 168,880.71 is: 233,054.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,846.50 : 420,687.36 = 168,880.71 : x
  2. Step 2: Convert to fraction form
    304,846.50/420,687.36 = 168,880.71/x
  3. Step 3: Cross multiply
    304,846.50x = 420,687.36 × 168,880.71
  4. Step 4: Simplify right side
    304,846.50x = 71,045,980,044.83
  5. Step 5: Solve for x
    x = 71,045,980,044.83/304,846.50
  6. Step 6: Final answer
    x = 233,054.93

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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.