Finding the Fourth Proportional to 346,942.09, 478,604.68 and 232,225.57
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Solution
The fourth proportional to 346,942.09, 478,604.68 and 232,225.57 is: 320,353.88
Step by Step Solution
- Step 1: Write the proportion equation
346,942.09 : 478,604.68 = 232,225.57 : x - Step 2: Convert to fraction form
346,942.09/478,604.68 = 232,225.57/x - Step 3: Cross multiply
346,942.09x = 478,604.68 × 232,225.57 - Step 4: Simplify right side
346,942.09x = 111,144,244,617.67 - Step 5: Solve for x
x = 111,144,244,617.67/346,942.09 - Step 6: Final answer
x = 320,353.88
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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.