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Finding the Fourth Proportional to 500,581.77, 750,866.31 and 121,505.46

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Solution

The fourth proportional to 500,581.77, 750,866.31 and 121,505.46 is: 182,256.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,581.77 : 750,866.31 = 121,505.46 : x
  2. Step 2: Convert to fraction form
    500,581.77/750,866.31 = 121,505.46/x
  3. Step 3: Cross multiply
    500,581.77x = 750,866.31 × 121,505.46
  4. Step 4: Simplify right side
    500,581.77x = 91,234,356,395.05
  5. Step 5: Solve for x
    x = 91,234,356,395.05/500,581.77
  6. Step 6: Final answer
    x = 182,256.65

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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.