Home / 292,128.22-403,137.03-164,830.78

Finding the Fourth Proportional to 292,128.22, 403,137.03 and 164,830.78

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Solution

The fourth proportional to 292,128.22, 403,137.03 and 164,830.78 is: 227,466.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,128.22 : 403,137.03 = 164,830.78 : x
  2. Step 2: Convert to fraction form
    292,128.22/403,137.03 = 164,830.78/x
  3. Step 3: Cross multiply
    292,128.22x = 403,137.03 × 164,830.78
  4. Step 4: Simplify right side
    292,128.22x = 66,449,391,101.78
  5. Step 5: Solve for x
    x = 66,449,391,101.78/292,128.22
  6. Step 6: Final answer
    x = 227,466.53

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1.5x scale

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.