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Finding the Fourth Proportional to 505,228.45, 757,756.53 and 168,230.86

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Solution

The fourth proportional to 505,228.45, 757,756.53 and 168,230.86 is: 252,317.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,228.45 : 757,756.53 = 168,230.86 : x
  2. Step 2: Convert to fraction form
    505,228.45/757,756.53 = 168,230.86/x
  3. Step 3: Cross multiply
    505,228.45x = 757,756.53 × 168,230.86
  4. Step 4: Simplify right side
    505,228.45x = 127,478,032,712.52
  5. Step 5: Solve for x
    x = 127,478,032,712.52/505,228.45
  6. Step 6: Final answer
    x = 252,317.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.