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Finding the Fourth Proportional to 500,678.33, 751,009.23 and 121,602.15

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Solution

The fourth proportional to 500,678.33, 751,009.23 and 121,602.15 is: 182,401.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,678.33 : 751,009.23 = 121,602.15 : x
  2. Step 2: Convert to fraction form
    500,678.33/751,009.23 = 121,602.15/x
  3. Step 3: Cross multiply
    500,678.33x = 751,009.23 × 121,602.15
  4. Step 4: Simplify right side
    500,678.33x = 91,324,337,037.84
  5. Step 5: Solve for x
    x = 91,324,337,037.84/500,678.33
  6. Step 6: Final answer
    x = 182,401.22

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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.