Finding the Fourth Proportional to 374,793.92, 517,213.98 and 202,712.05
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Solution
The fourth proportional to 374,793.92, 517,213.98 and 202,712.05 is: 279,741.75
Step by Step Solution
- Step 1: Write the proportion equation
374,793.92 : 517,213.98 = 202,712.05 : x - Step 2: Convert to fraction form
374,793.92/517,213.98 = 202,712.05/x - Step 3: Cross multiply
374,793.92x = 517,213.98 × 202,712.05 - Step 4: Simplify right side
374,793.92x = 104,845,506,174.46 - Step 5: Solve for x
x = 104,845,506,174.46/374,793.92 - Step 6: Final answer
x = 279,741.75
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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.