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Finding the Fourth Proportional to 501,004.09, 751,499.74 and 121,925.47

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Solution

The fourth proportional to 501,004.09, 751,499.74 and 121,925.47 is: 182,886.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,004.09 : 751,499.74 = 121,925.47 : x
  2. Step 2: Convert to fraction form
    501,004.09/751,499.74 = 121,925.47/x
  3. Step 3: Cross multiply
    501,004.09x = 751,499.74 × 121,925.47
  4. Step 4: Simplify right side
    501,004.09x = 91,626,959,004.38
  5. Step 5: Solve for x
    x = 91,626,959,004.38/501,004.09
  6. Step 6: Final answer
    x = 182,886.65

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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.