Finding the Fourth Proportional to 306,953.02, 423,770.75 and 203,727.20
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Solution
The fourth proportional to 306,953.02, 423,770.75 and 203,727.20 is: 281,260.07
Step by Step Solution
- Step 1: Write the proportion equation
306,953.02 : 423,770.75 = 203,727.20 : x - Step 2: Convert to fraction form
306,953.02/423,770.75 = 203,727.20/x - Step 3: Cross multiply
306,953.02x = 423,770.75 × 203,727.20 - Step 4: Simplify right side
306,953.02x = 86,333,627,321.06 - Step 5: Solve for x
x = 86,333,627,321.06/306,953.02 - Step 6: Final answer
x = 281,260.07
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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.