Finding the Fourth Proportional to 178,979.51, 246,986.99 and 97,305.19
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Solution
The fourth proportional to 178,979.51, 246,986.99 and 97,305.19 is: 134,278.58
Step by Step Solution
- Step 1: Write the proportion equation
178,979.51 : 246,986.99 = 97,305.19 : x - Step 2: Convert to fraction form
178,979.51/246,986.99 = 97,305.19/x - Step 3: Cross multiply
178,979.51x = 246,986.99 × 97,305.19 - Step 4: Simplify right side
178,979.51x = 24,033,115,250.38 - Step 5: Solve for x
x = 24,033,115,250.38/178,979.51 - Step 6: Final answer
x = 134,278.58
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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.