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Finding the Fourth Proportional to 431,131.84, 594,953.74 and 270,075.71

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Solution

The fourth proportional to 431,131.84, 594,953.74 and 270,075.71 is: 372,699.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,131.84 : 594,953.74 = 270,075.71 : x
  2. Step 2: Convert to fraction form
    431,131.84/594,953.74 = 270,075.71/x
  3. Step 3: Cross multiply
    431,131.84x = 594,953.74 × 270,075.71
  4. Step 4: Simplify right side
    431,131.84x = 160,682,553,747.66
  5. Step 5: Solve for x
    x = 160,682,553,747.66/431,131.84
  6. Step 6: Final answer
    x = 372,699.34

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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.