Finding the Fourth Proportional to 373,818.10, 515,850.96 and 212,657.98
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Solution
The fourth proportional to 373,818.10, 515,850.96 and 212,657.98 is: 293,457.76
Step by Step Solution
- Step 1: Write the proportion equation
373,818.10 : 515,850.96 = 212,657.98 : x - Step 2: Convert to fraction form
373,818.10/515,850.96 = 212,657.98/x - Step 3: Cross multiply
373,818.10x = 515,850.96 × 212,657.98 - Step 4: Simplify right side
373,818.10x = 109,699,823,134.66 - Step 5: Solve for x
x = 109,699,823,134.66/373,818.10 - Step 6: Final answer
x = 293,457.76
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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.