Finding the Fourth Proportional to 346,800.96, 478,427.04 and 304,231.68
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Solution
The fourth proportional to 346,800.96, 478,427.04 and 304,231.68 is: 419,700.86
Step by Step Solution
- Step 1: Write the proportion equation
346,800.96 : 478,427.04 = 304,231.68 : x - Step 2: Convert to fraction form
346,800.96/478,427.04 = 304,231.68/x - Step 3: Cross multiply
346,800.96x = 478,427.04 × 304,231.68 - Step 4: Simplify right side
346,800.96x = 145,552,662,136.63 - Step 5: Solve for x
x = 145,552,662,136.63/346,800.96 - Step 6: Final answer
x = 419,700.86
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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.