Home / 292,215.40-403,255.78-164,890.60

Finding the Fourth Proportional to 292,215.40, 403,255.78 and 164,890.60

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Solution

The fourth proportional to 292,215.40, 403,255.78 and 164,890.60 is: 227,548.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,215.40 : 403,255.78 = 164,890.60 : x
  2. Step 2: Convert to fraction form
    292,215.40/403,255.78 = 164,890.60/x
  3. Step 3: Cross multiply
    292,215.40x = 403,255.78 × 164,890.60
  4. Step 4: Simplify right side
    292,215.40x = 66,493,087,517.67
  5. Step 5: Solve for x
    x = 66,493,087,517.67/292,215.40
  6. Step 6: Final answer
    x = 227,548.20

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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.