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Finding the Fourth Proportional to 265,605.27, 366,530.43 and 144,747.60

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Solution

The fourth proportional to 265,605.27, 366,530.43 and 144,747.60 is: 199,749.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,605.27 : 366,530.43 = 144,747.60 : x
  2. Step 2: Convert to fraction form
    265,605.27/366,530.43 = 144,747.60/x
  3. Step 3: Cross multiply
    265,605.27x = 366,530.43 × 144,747.60
  4. Step 4: Simplify right side
    265,605.27x = 53,054,400,069.47
  5. Step 5: Solve for x
    x = 53,054,400,069.47/265,605.27
  6. Step 6: Final answer
    x = 199,749.05

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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.