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Finding the Fourth Proportional to 606,400.80, 909,528.30 and 251,377.80

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Solution

The fourth proportional to 606,400.80, 909,528.30 and 251,377.80 is: 377,036.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,400.80 : 909,528.30 = 251,377.80 : x
  2. Step 2: Convert to fraction form
    606,400.80/909,528.30 = 251,377.80/x
  3. Step 3: Cross multiply
    606,400.80x = 909,528.30 × 251,377.80
  4. Step 4: Simplify right side
    606,400.80x = 228,635,223,091.74
  5. Step 5: Solve for x
    x = 228,635,223,091.74/606,400.80
  6. Step 6: Final answer
    x = 377,036.48

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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.