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Finding the Fourth Proportional to 253,883.30, 350,345.45 and 146,446.92

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Solution

The fourth proportional to 253,883.30, 350,345.45 and 146,446.92 is: 202,088.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,883.30 : 350,345.45 = 146,446.92 : x
  2. Step 2: Convert to fraction form
    253,883.30/350,345.45 = 146,446.92/x
  3. Step 3: Cross multiply
    253,883.30x = 350,345.45 × 146,446.92
  4. Step 4: Simplify right side
    253,883.30x = 51,307,012,454.63
  5. Step 5: Solve for x
    x = 51,307,012,454.63/253,883.30
  6. Step 6: Final answer
    x = 202,088.97

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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.