Home / 505,170.28-757,557.02-189,455.08

Finding the Fourth Proportional to 505,170.28, 757,557.02 and 189,455.08

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Solution

The fourth proportional to 505,170.28, 757,557.02 and 189,455.08 is: 284,108.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,170.28 : 757,557.02 = 189,455.08 : x
  2. Step 2: Convert to fraction form
    505,170.28/757,557.02 = 189,455.08/x
  3. Step 3: Cross multiply
    505,170.28x = 757,557.02 × 189,455.08
  4. Step 4: Simplify right side
    505,170.28x = 143,523,025,828.66
  5. Step 5: Solve for x
    x = 143,523,025,828.66/505,170.28
  6. Step 6: Final answer
    x = 284,108.21

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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.