Finding the Fourth Proportional to 178,721.19, 246,639.60 and 97,052.94
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Solution
The fourth proportional to 178,721.19, 246,639.60 and 97,052.94 is: 133,935.42
Step by Step Solution
- Step 1: Write the proportion equation
178,721.19 : 246,639.60 = 97,052.94 : x - Step 2: Convert to fraction form
178,721.19/246,639.60 = 97,052.94/x - Step 3: Cross multiply
178,721.19x = 246,639.60 × 97,052.94 - Step 4: Simplify right side
178,721.19x = 23,937,098,300.42 - Step 5: Solve for x
x = 23,937,098,300.42/178,721.19 - Step 6: Final answer
x = 133,935.42
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1.5x scale
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.