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Finding the Fourth Proportional to 203,044.29, 304,628.72 and 90,818.97

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Solution

The fourth proportional to 203,044.29, 304,628.72 and 90,818.97 is: 136,256.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,044.29 : 304,628.72 = 90,818.97 : x
  2. Step 2: Convert to fraction form
    203,044.29/304,628.72 = 90,818.97/x
  3. Step 3: Cross multiply
    203,044.29x = 304,628.72 × 90,818.97
  4. Step 4: Simplify right side
    203,044.29x = 27,666,066,128.72
  5. Step 5: Solve for x
    x = 27,666,066,128.72/203,044.29
  6. Step 6: Final answer
    x = 136,256.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.