Finding the Fourth Proportional to 141,276.74, 194,815.26 and 98,304.92
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Solution
The fourth proportional to 141,276.74, 194,815.26 and 98,304.92 is: 135,558.75
Step by Step Solution
- Step 1: Write the proportion equation
141,276.74 : 194,815.26 = 98,304.92 : x - Step 2: Convert to fraction form
141,276.74/194,815.26 = 98,304.92/x - Step 3: Cross multiply
141,276.74x = 194,815.26 × 98,304.92 - Step 4: Simplify right side
141,276.74x = 19,151,298,549.08 - Step 5: Solve for x
x = 19,151,298,549.08/141,276.74 - Step 6: Final answer
x = 135,558.75
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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.