Finding the Fourth Proportional to 215,116.33, 296,861.12 and 118,330.10
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Solution
The fourth proportional to 215,116.33, 296,861.12 and 118,330.10 is: 163,295.86
Step by Step Solution
- Step 1: Write the proportion equation
215,116.33 : 296,861.12 = 118,330.10 : x - Step 2: Convert to fraction form
215,116.33/296,861.12 = 118,330.10/x - Step 3: Cross multiply
215,116.33x = 296,861.12 × 118,330.10 - Step 4: Simplify right side
215,116.33x = 35,127,604,827.23 - Step 5: Solve for x
x = 35,127,604,827.23/215,116.33 - Step 6: Final answer
x = 163,295.86
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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.