Home / 482,830.09-666,274.47-267,970.30

Finding the Fourth Proportional to 482,830.09, 666,274.47 and 267,970.30

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Solution

The fourth proportional to 482,830.09, 666,274.47 and 267,970.30 is: 369,781.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,830.09 : 666,274.47 = 267,970.30 : x
  2. Step 2: Convert to fraction form
    482,830.09/666,274.47 = 267,970.30/x
  3. Step 3: Cross multiply
    482,830.09x = 666,274.47 × 267,970.30
  4. Step 4: Simplify right side
    482,830.09x = 178,541,769,608.24
  5. Step 5: Solve for x
    x = 178,541,769,608.24/482,830.09
  6. Step 6: Final answer
    x = 369,781.78

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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.