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Finding the Fourth Proportional to 265,649.38, 366,596.43 and 144,790.77

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Solution

The fourth proportional to 265,649.38, 366,596.43 and 144,790.77 is: 199,811.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,649.38 : 366,596.43 = 144,790.77 : x
  2. Step 2: Convert to fraction form
    265,649.38/366,596.43 = 144,790.77/x
  3. Step 3: Cross multiply
    265,649.38x = 366,596.43 × 144,790.77
  4. Step 4: Simplify right side
    265,649.38x = 53,079,779,378.95
  5. Step 5: Solve for x
    x = 53,079,779,378.95/265,649.38
  6. Step 6: Final answer
    x = 199,811.42

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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.