Finding the Fourth Proportional to 186,385.08, 279,157.02 and 86,335.08
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Solution
The fourth proportional to 186,385.08, 279,157.02 and 86,335.08 is: 129,307.79
Step by Step Solution
- Step 1: Write the proportion equation
186,385.08 : 279,157.02 = 86,335.08 : x - Step 2: Convert to fraction form
186,385.08/279,157.02 = 86,335.08/x - Step 3: Cross multiply
186,385.08x = 279,157.02 × 86,335.08 - Step 4: Simplify right side
186,385.08x = 24,101,043,654.26 - Step 5: Solve for x
x = 24,101,043,654.26/186,385.08 - Step 6: Final answer
x = 129,307.79
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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.