Finding the Fourth Proportional to 306,894.16, 423,497.28 and 169,046.29
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Solution
The fourth proportional to 306,894.16, 423,497.28 and 169,046.29 is: 233,274.70
Step by Step Solution
- Step 1: Write the proportion equation
306,894.16 : 423,497.28 = 169,046.29 : x - Step 2: Convert to fraction form
306,894.16/423,497.28 = 169,046.29/x - Step 3: Cross multiply
306,894.16x = 423,497.28 × 169,046.29 - Step 4: Simplify right side
306,894.16x = 71,590,644,009.09 - Step 5: Solve for x
x = 71,590,644,009.09/306,894.16 - Step 6: Final answer
x = 233,274.70
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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.