Finding the Fourth Proportional to 373,856.53, 515,924.11 and 212,711.58
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Solution
The fourth proportional to 373,856.53, 515,924.11 and 212,711.58 is: 293,543.17
Step by Step Solution
- Step 1: Write the proportion equation
373,856.53 : 515,924.11 = 212,711.58 : x - Step 2: Convert to fraction form
373,856.53/515,924.11 = 212,711.58/x - Step 3: Cross multiply
373,856.53x = 515,924.11 × 212,711.58 - Step 4: Simplify right side
373,856.53x = 109,743,032,598.19 - Step 5: Solve for x
x = 109,743,032,598.19/373,856.53 - Step 6: Final answer
x = 293,543.17
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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.