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Finding the Fourth Proportional to 265,166.40, 365,922.72 and 144,310.08

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Solution

The fourth proportional to 265,166.40, 365,922.72 and 144,310.08 is: 199,144.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,166.40 : 365,922.72 = 144,310.08 : x
  2. Step 2: Convert to fraction form
    265,166.40/365,922.72 = 144,310.08/x
  3. Step 3: Cross multiply
    265,166.40x = 365,922.72 × 144,310.08
  4. Step 4: Simplify right side
    265,166.40x = 52,806,336,997.02
  5. Step 5: Solve for x
    x = 52,806,336,997.02/265,166.40
  6. Step 6: Final answer
    x = 199,144.15

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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.