Finding the Fourth Proportional to 373,655.18, 515,656.60 and 203,898.62
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Solution
The fourth proportional to 373,655.18, 515,656.60 and 203,898.62 is: 281,386.89
Step by Step Solution
- Step 1: Write the proportion equation
373,655.18 : 515,656.60 = 203,898.62 : x - Step 2: Convert to fraction form
373,655.18/515,656.60 = 203,898.62/x - Step 3: Cross multiply
373,655.18x = 515,656.60 × 203,898.62 - Step 4: Simplify right side
373,655.18x = 105,141,669,133.89 - Step 5: Solve for x
x = 105,141,669,133.89/373,655.18 - Step 6: Final answer
x = 281,386.89
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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.