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Finding the Fourth Proportional to 472,102.88, 651,306.87 and 328,945.91

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Solution

The fourth proportional to 472,102.88, 651,306.87 and 328,945.91 is: 453,809.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,102.88 : 651,306.87 = 328,945.91 : x
  2. Step 2: Convert to fraction form
    472,102.88/651,306.87 = 328,945.91/x
  3. Step 3: Cross multiply
    472,102.88x = 651,306.87 × 328,945.91
  4. Step 4: Simplify right side
    472,102.88x = 214,244,727,784.87
  5. Step 5: Solve for x
    x = 214,244,727,784.87/472,102.88
  6. Step 6: Final answer
    x = 453,809.41

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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.