Finding the Fourth Proportional to 372,005.56, 557,664.09 and 135,284.68
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Solution
The fourth proportional to 372,005.56, 557,664.09 and 135,284.68 is: 202,801.83
Step by Step Solution
- Step 1: Write the proportion equation
372,005.56 : 557,664.09 = 135,284.68 : x - Step 2: Convert to fraction form
372,005.56/557,664.09 = 135,284.68/x - Step 3: Cross multiply
372,005.56x = 557,664.09 × 135,284.68 - Step 4: Simplify right side
372,005.56x = 75,443,407,963.14 - Step 5: Solve for x
x = 75,443,407,963.14/372,005.56 - Step 6: Final answer
x = 202,801.83
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.