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Finding the Fourth Proportional to 277,368.88, 416,340.48 and 170,829.58

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Solution

The fourth proportional to 277,368.88, 416,340.48 and 170,829.58 is: 256,421.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,368.88 : 416,340.48 = 170,829.58 : x
  2. Step 2: Convert to fraction form
    277,368.88/416,340.48 = 170,829.58/x
  3. Step 3: Cross multiply
    277,368.88x = 416,340.48 × 170,829.58
  4. Step 4: Simplify right side
    277,368.88x = 71,123,269,335.40
  5. Step 5: Solve for x
    x = 71,123,269,335.40/277,368.88
  6. Step 6: Final answer
    x = 256,421.23

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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.