Finding the Fourth Proportional to 373,502.76, 515,413.08 and 212,335.44
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Solution
The fourth proportional to 373,502.76, 515,413.08 and 212,335.44 is: 293,011.12
Step by Step Solution
- Step 1: Write the proportion equation
373,502.76 : 515,413.08 = 212,335.44 : x - Step 2: Convert to fraction form
373,502.76/515,413.08 = 212,335.44/x - Step 3: Cross multiply
373,502.76x = 515,413.08 × 212,335.44 - Step 4: Simplify right side
373,502.76x = 109,440,463,123.56 - Step 5: Solve for x
x = 109,440,463,123.56/373,502.76 - Step 6: Final answer
x = 293,011.12
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.