Finding the Fourth Proportional to 347,677.89, 479,740.68 and 202,507.56
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Solution
The fourth proportional to 347,677.89, 479,740.68 and 202,507.56 is: 279,428.51
Step by Step Solution
- Step 1: Write the proportion equation
347,677.89 : 479,740.68 = 202,507.56 : x - Step 2: Convert to fraction form
347,677.89/479,740.68 = 202,507.56/x - Step 3: Cross multiply
347,677.89x = 479,740.68 × 202,507.56 - Step 4: Simplify right side
347,677.89x = 97,151,114,539.54 - Step 5: Solve for x
x = 97,151,114,539.54/347,677.89 - Step 6: Final answer
x = 279,428.51
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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.