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Finding the Fourth Proportional to 505,784.40, 758,715.72 and 150,771.12

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Solution

The fourth proportional to 505,784.40, 758,715.72 and 150,771.12 is: 226,168.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,784.40 : 758,715.72 = 150,771.12 : x
  2. Step 2: Convert to fraction form
    505,784.40/758,715.72 = 150,771.12/x
  3. Step 3: Cross multiply
    505,784.40x = 758,715.72 × 150,771.12
  4. Step 4: Simplify right side
    505,784.40x = 114,392,418,866.01
  5. Step 5: Solve for x
    x = 114,392,418,866.01/505,784.40
  6. Step 6: Final answer
    x = 226,168.34

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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.