Finding the Fourth Proportional to 186,864.55, 280,130.18 and 68,508.31
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Solution
The fourth proportional to 186,864.55, 280,130.18 and 68,508.31 is: 102,701.37
Step by Step Solution
- Step 1: Write the proportion equation
186,864.55 : 280,130.18 = 68,508.31 : x - Step 2: Convert to fraction form
186,864.55/280,130.18 = 68,508.31/x - Step 3: Cross multiply
186,864.55x = 280,130.18 × 68,508.31 - Step 4: Simplify right side
186,864.55x = 19,191,244,869.25 - Step 5: Solve for x
x = 19,191,244,869.25/186,864.55 - Step 6: Final answer
x = 102,701.37
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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.