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Finding the Fourth Proportional to 338,762.57, 466,319.03 and 292,801.28

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Solution

The fourth proportional to 338,762.57, 466,319.03 and 292,801.28 is: 403,051.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,762.57 : 466,319.03 = 292,801.28 : x
  2. Step 2: Convert to fraction form
    338,762.57/466,319.03 = 292,801.28/x
  3. Step 3: Cross multiply
    338,762.57x = 466,319.03 × 292,801.28
  4. Step 4: Simplify right side
    338,762.57x = 136,538,805,076.76
  5. Step 5: Solve for x
    x = 136,538,805,076.76/338,762.57
  6. Step 6: Final answer
    x = 403,051.63

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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.