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Finding the Fourth Proportional to 265,508.44, 366,400.12 and 144,649.48

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Solution

The fourth proportional to 265,508.44, 366,400.12 and 144,649.48 is: 199,615.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,508.44 : 366,400.12 = 144,649.48 : x
  2. Step 2: Convert to fraction form
    265,508.44/366,400.12 = 144,649.48/x
  3. Step 3: Cross multiply
    265,508.44x = 366,400.12 × 144,649.48
  4. Step 4: Simplify right side
    265,508.44x = 52,999,586,829.94
  5. Step 5: Solve for x
    x = 52,999,586,829.94/265,508.44
  6. Step 6: Final answer
    x = 199,615.45

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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.