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Finding the Fourth Proportional to 501,212.96, 751,806.93 and 146,230.10

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Solution

The fourth proportional to 501,212.96, 751,806.93 and 146,230.10 is: 219,341.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,212.96 : 751,806.93 = 146,230.10 : x
  2. Step 2: Convert to fraction form
    501,212.96/751,806.93 = 146,230.10/x
  3. Step 3: Cross multiply
    501,212.96x = 751,806.93 × 146,230.10
  4. Step 4: Simplify right side
    501,212.96x = 109,936,802,554.59
  5. Step 5: Solve for x
    x = 109,936,802,554.59/501,212.96
  6. Step 6: Final answer
    x = 219,341.50

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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.