Finding the Fourth Proportional to 314,979.70, 434,708.88 and 179,034.08
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Solution
The fourth proportional to 314,979.70, 434,708.88 and 179,034.08 is: 247,088.00
Step by Step Solution
- Step 1: Write the proportion equation
314,979.70 : 434,708.88 = 179,034.08 : x - Step 2: Convert to fraction form
314,979.70/434,708.88 = 179,034.08/x - Step 3: Cross multiply
314,979.70x = 434,708.88 × 179,034.08 - Step 4: Simplify right side
314,979.70x = 77,827,704,398.63 - Step 5: Solve for x
x = 77,827,704,398.63/314,979.70 - Step 6: Final answer
x = 247,088.00
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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.