Finding the Fourth Proportional to 186,864.30, 280,129.80 and 68,508.06
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Solution
The fourth proportional to 186,864.30, 280,129.80 and 68,508.06 is: 102,700.99
Step by Step Solution
- Step 1: Write the proportion equation
186,864.30 : 280,129.80 = 68,508.06 : x - Step 2: Convert to fraction form
186,864.30/280,129.80 = 68,508.06/x - Step 3: Cross multiply
186,864.30x = 280,129.80 × 68,508.06 - Step 4: Simplify right side
186,864.30x = 19,191,149,146.19 - Step 5: Solve for x
x = 19,191,149,146.19/186,864.30 - Step 6: Final answer
x = 102,700.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.