Finding the Fourth Proportional to 373,202.96, 514,703.16 and 315,343.17
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Solution
The fourth proportional to 373,202.96, 514,703.16 and 315,343.17 is: 434,905.79
Step by Step Solution
- Step 1: Write the proportion equation
373,202.96 : 514,703.16 = 315,343.17 : x - Step 2: Convert to fraction form
373,202.96/514,703.16 = 315,343.17/x - Step 3: Cross multiply
373,202.96x = 514,703.16 × 315,343.17 - Step 4: Simplify right side
373,202.96x = 162,308,126,083.42 - Step 5: Solve for x
x = 162,308,126,083.42/373,202.96 - Step 6: Final answer
x = 434,905.79
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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.