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Finding the Fourth Proportional to 265,423.86, 366,293.34 and 144,568.80

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Solution

The fourth proportional to 265,423.86, 366,293.34 and 144,568.80 is: 199,509.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,423.86 : 366,293.34 = 144,568.80 : x
  2. Step 2: Convert to fraction form
    265,423.86/366,293.34 = 144,568.80/x
  3. Step 3: Cross multiply
    265,423.86x = 366,293.34 × 144,568.80
  4. Step 4: Simplify right side
    265,423.86x = 52,954,588,611.79
  5. Step 5: Solve for x
    x = 52,954,588,611.79/265,423.86
  6. Step 6: Final answer
    x = 199,509.53

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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.