Finding the Fourth Proportional to 185,872.61, 278,808.40 and 52,752.99
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Solution
The fourth proportional to 185,872.61, 278,808.40 and 52,752.99 is: 79,129.34
Step by Step Solution
- Step 1: Write the proportion equation
185,872.61 : 278,808.40 = 52,752.99 : x - Step 2: Convert to fraction form
185,872.61/278,808.40 = 52,752.99/x - Step 3: Cross multiply
185,872.61x = 278,808.40 × 52,752.99 - Step 4: Simplify right side
185,872.61x = 14,707,976,473.35 - Step 5: Solve for x
x = 14,707,976,473.35/185,872.61 - Step 6: Final answer
x = 79,129.34
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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.