Finding the Fourth Proportional to 291,828.65, 402,654.97 and 177,104.74
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Solution
The fourth proportional to 291,828.65, 402,654.97 and 177,104.74 is: 244,362.92
Step by Step Solution
- Step 1: Write the proportion equation
291,828.65 : 402,654.97 = 177,104.74 : x - Step 2: Convert to fraction form
291,828.65/402,654.97 = 177,104.74/x - Step 3: Cross multiply
291,828.65x = 402,654.97 × 177,104.74 - Step 4: Simplify right side
291,828.65x = 71,312,100,872.76 - Step 5: Solve for x
x = 71,312,100,872.76/291,828.65 - Step 6: Final answer
x = 244,362.92
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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.