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Finding the Fourth Proportional to 500,247.66, 750,144.44 and 215,803.71

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Solution

The fourth proportional to 500,247.66, 750,144.44 and 215,803.71 is: 323,607.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,247.66 : 750,144.44 = 215,803.71 : x
  2. Step 2: Convert to fraction form
    500,247.66/750,144.44 = 215,803.71/x
  3. Step 3: Cross multiply
    500,247.66x = 750,144.44 × 215,803.71
  4. Step 4: Simplify right side
    500,247.66x = 161,883,953,187.87
  5. Step 5: Solve for x
    x = 161,883,953,187.87/500,247.66
  6. Step 6: Final answer
    x = 323,607.62

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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.