Home / 347,943.09-521,997.66-123,323.16

Finding the Fourth Proportional to 347,943.09, 521,997.66 and 123,323.16

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Solution

The fourth proportional to 347,943.09, 521,997.66 and 123,323.16 is: 185,014.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,943.09 : 521,997.66 = 123,323.16 : x
  2. Step 2: Convert to fraction form
    347,943.09/521,997.66 = 123,323.16/x
  3. Step 3: Cross multiply
    347,943.09x = 521,997.66 × 123,323.16
  4. Step 4: Simplify right side
    347,943.09x = 64,374,400,943.81
  5. Step 5: Solve for x
    x = 64,374,400,943.81/347,943.09
  6. Step 6: Final answer
    x = 185,014.17

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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.