Finding the Fourth Proportional to 207,270.72, 286,027.08 and 116,631.84
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Solution
The fourth proportional to 207,270.72, 286,027.08 and 116,631.84 is: 160,948.27
Step by Step Solution
- Step 1: Write the proportion equation
207,270.72 : 286,027.08 = 116,631.84 : x - Step 2: Convert to fraction form
207,270.72/286,027.08 = 116,631.84/x - Step 3: Cross multiply
207,270.72x = 286,027.08 × 116,631.84 - Step 4: Simplify right side
207,270.72x = 33,359,864,630.23 - Step 5: Solve for x
x = 33,359,864,630.23/207,270.72 - Step 6: Final answer
x = 160,948.27
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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.