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Finding the Fourth Proportional to 253,705.22, 350,027.91 and 146,272.91

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Solution

The fourth proportional to 253,705.22, 350,027.91 and 146,272.91 is: 201,807.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,705.22 : 350,027.91 = 146,272.91 : x
  2. Step 2: Convert to fraction form
    253,705.22/350,027.91 = 146,272.91/x
  3. Step 3: Cross multiply
    253,705.22x = 350,027.91 × 146,272.91
  4. Step 4: Simplify right side
    253,705.22x = 51,199,600,976.92
  5. Step 5: Solve for x
    x = 51,199,600,976.92/253,705.22
  6. Step 6: Final answer
    x = 201,807.44

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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.