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Finding the Fourth Proportional to 431,039.76, 594,853.33 and 240,053.15

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Solution

The fourth proportional to 431,039.76, 594,853.33 and 240,053.15 is: 331,283.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,039.76 : 594,853.33 = 240,053.15 : x
  2. Step 2: Convert to fraction form
    431,039.76/594,853.33 = 240,053.15/x
  3. Step 3: Cross multiply
    431,039.76x = 594,853.33 × 240,053.15
  4. Step 4: Simplify right side
    431,039.76x = 142,796,416,316.44
  5. Step 5: Solve for x
    x = 142,796,416,316.44/431,039.76
  6. Step 6: Final answer
    x = 331,283.63

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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.