Finding the Fourth Proportional to 346,907.70, 478,557.26 and 232,191.14
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Solution
The fourth proportional to 346,907.70, 478,557.26 and 232,191.14 is: 320,306.39
Step by Step Solution
- Step 1: Write the proportion equation
346,907.70 : 478,557.26 = 232,191.14 : x - Step 2: Convert to fraction form
346,907.70/478,557.26 = 232,191.14/x - Step 3: Cross multiply
346,907.70x = 478,557.26 × 232,191.14 - Step 4: Simplify right side
346,907.70x = 111,116,752,200.93 - Step 5: Solve for x
x = 111,116,752,200.93/346,907.70 - Step 6: Final answer
x = 320,306.39
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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.