Finding the Fourth Proportional to 306,954.42, 423,772.68 and 203,728.61
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Solution
The fourth proportional to 306,954.42, 423,772.68 and 203,728.61 is: 281,262.01
Step by Step Solution
- Step 1: Write the proportion equation
306,954.42 : 423,772.68 = 203,728.61 : x - Step 2: Convert to fraction form
306,954.42/423,772.68 = 203,728.61/x - Step 3: Cross multiply
306,954.42x = 423,772.68 × 203,728.61 - Step 4: Simplify right side
306,954.42x = 86,334,616,933.51 - Step 5: Solve for x
x = 86,334,616,933.51/306,954.42 - Step 6: Final answer
x = 281,262.01
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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.