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Finding the Fourth Proportional to 253,674.22, 350,069.55 and 146,243.74

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Solution

The fourth proportional to 253,674.22, 350,069.55 and 146,243.74 is: 201,815.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,674.22 : 350,069.55 = 146,243.74 : x
  2. Step 2: Convert to fraction form
    253,674.22/350,069.55 = 146,243.74/x
  3. Step 3: Cross multiply
    253,674.22x = 350,069.55 × 146,243.74
  4. Step 4: Simplify right side
    253,674.22x = 51,195,480,252.12
  5. Step 5: Solve for x
    x = 51,195,480,252.12/253,674.22
  6. Step 6: Final answer
    x = 201,815.86

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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.