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Finding the Fourth Proportional to 292,459.54, 403,601.51 and 165,136.05

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Solution

The fourth proportional to 292,459.54, 403,601.51 and 165,136.05 is: 227,891.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,459.54 : 403,601.51 = 165,136.05 : x
  2. Step 2: Convert to fraction form
    292,459.54/403,601.51 = 165,136.05/x
  3. Step 3: Cross multiply
    292,459.54x = 403,601.51 × 165,136.05
  4. Step 4: Simplify right side
    292,459.54x = 66,649,159,135.44
  5. Step 5: Solve for x
    x = 66,649,159,135.44/292,459.54
  6. Step 6: Final answer
    x = 227,891.90

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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.