Finding the Fourth Proportional to 372,099.93, 557,447.55 and 219,842.70
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Solution
The fourth proportional to 372,099.93, 557,447.55 and 219,842.70 is: 329,349.09
Step by Step Solution
- Step 1: Write the proportion equation
372,099.93 : 557,447.55 = 219,842.70 : x - Step 2: Convert to fraction form
372,099.93/557,447.55 = 219,842.70/x - Step 3: Cross multiply
372,099.93x = 557,447.55 × 219,842.70 - Step 4: Simplify right side
372,099.93x = 122,550,774,721.19 - Step 5: Solve for x
x = 122,550,774,721.19/372,099.93 - Step 6: Final answer
x = 329,349.09
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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.