Finding the Fourth Proportional to 186,805.30, 280,207.95 and 164,643.70
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Solution
The fourth proportional to 186,805.30, 280,207.95 and 164,643.70 is: 246,965.55
Step by Step Solution
- Step 1: Write the proportion equation
186,805.30 : 280,207.95 = 164,643.70 : x - Step 2: Convert to fraction form
186,805.30/280,207.95 = 164,643.70/x - Step 3: Cross multiply
186,805.30x = 280,207.95 × 164,643.70 - Step 4: Simplify right side
186,805.30x = 46,134,473,657.42 - Step 5: Solve for x
x = 46,134,473,657.42/186,805.30 - Step 6: Final answer
x = 246,965.55
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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.