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Finding the Fourth Proportional to 500,287.16, 750,440.34 and 184,581.56

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Solution

The fourth proportional to 500,287.16, 750,440.34 and 184,581.56 is: 276,875.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,287.16 : 750,440.34 = 184,581.56 : x
  2. Step 2: Convert to fraction form
    500,287.16/750,440.34 = 184,581.56/x
  3. Step 3: Cross multiply
    500,287.16x = 750,440.34 × 184,581.56
  4. Step 4: Simplify right side
    500,287.16x = 138,517,448,644.13
  5. Step 5: Solve for x
    x = 138,517,448,644.13/500,287.16
  6. Step 6: Final answer
    x = 276,875.88

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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.