Finding the Fourth Proportional to 461,395.79, 691,618.70 and 177,010.62
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Solution
The fourth proportional to 461,395.79, 691,618.70 and 177,010.62 is: 265,333.70
Step by Step Solution
- Step 1: Write the proportion equation
461,395.79 : 691,618.70 = 177,010.62 : x - Step 2: Convert to fraction form
461,395.79/691,618.70 = 177,010.62/x - Step 3: Cross multiply
461,395.79x = 691,618.70 × 177,010.62 - Step 4: Simplify right side
461,395.79x = 122,423,852,739.55 - Step 5: Solve for x
x = 122,423,852,739.55/461,395.79 - Step 6: Final answer
x = 265,333.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.