Finding the Fourth Proportional to 373,656.65, 515,657.57 and 212,534.91
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Solution
The fourth proportional to 373,656.65, 515,657.57 and 212,534.91 is: 293,304.66
Step by Step Solution
- Step 1: Write the proportion equation
373,656.65 : 515,657.57 = 212,534.91 : x - Step 2: Convert to fraction form
373,656.65/515,657.57 = 212,534.91/x - Step 3: Cross multiply
373,656.65x = 515,657.57 × 212,534.91 - Step 4: Simplify right side
373,656.65x = 109,595,234,168.09 - Step 5: Solve for x
x = 109,595,234,168.09/373,656.65 - Step 6: Final answer
x = 293,304.66
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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.