Finding the Fourth Proportional to 313,446.70, 432,566.49 and 177,478.48
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Solution
The fourth proportional to 313,446.70, 432,566.49 and 177,478.48 is: 244,925.99
Step by Step Solution
- Step 1: Write the proportion equation
313,446.70 : 432,566.49 = 177,478.48 : x - Step 2: Convert to fraction form
313,446.70/432,566.49 = 177,478.48/x - Step 3: Cross multiply
313,446.70x = 432,566.49 × 177,478.48 - Step 4: Simplify right side
313,446.70x = 76,771,243,144.14 - Step 5: Solve for x
x = 76,771,243,144.14/313,446.70 - Step 6: Final answer
x = 244,925.99
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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.