Finding the Fourth Proportional to 143,736.06, 215,613.84 and 48,927.18
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Solution
The fourth proportional to 143,736.06, 215,613.84 and 48,927.18 is: 73,394.09
Step by Step Solution
- Step 1: Write the proportion equation
143,736.06 : 215,613.84 = 48,927.18 : x - Step 2: Convert to fraction form
143,736.06/215,613.84 = 48,927.18/x - Step 3: Cross multiply
143,736.06x = 215,613.84 × 48,927.18 - Step 4: Simplify right side
143,736.06x = 10,549,377,160.17 - Step 5: Solve for x
x = 10,549,377,160.17/143,736.06 - Step 6: Final answer
x = 73,394.09
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.