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Finding the Fourth Proportional to 504,143.91, 755,953.43 and 149,110.02

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Solution

The fourth proportional to 504,143.91, 755,953.43 and 149,110.02 is: 223,587.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,143.91 : 755,953.43 = 149,110.02 : x
  2. Step 2: Convert to fraction form
    504,143.91/755,953.43 = 149,110.02/x
  3. Step 3: Cross multiply
    504,143.91x = 755,953.43 × 149,110.02
  4. Step 4: Simplify right side
    504,143.91x = 112,720,230,320.82
  5. Step 5: Solve for x
    x = 112,720,230,320.82/504,143.91
  6. Step 6: Final answer
    x = 223,587.41

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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.