Finding the Fourth Proportional to 257,635.08, 386,265.80 and 173,185.79
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Solution
The fourth proportional to 257,635.08, 386,265.80 and 173,185.79 is: 259,653.09
Step by Step Solution
- Step 1: Write the proportion equation
257,635.08 : 386,265.80 = 173,185.79 : x - Step 2: Convert to fraction form
257,635.08/386,265.80 = 173,185.79/x - Step 3: Cross multiply
257,635.08x = 386,265.80 × 173,185.79 - Step 4: Simplify right side
257,635.08x = 66,895,744,925.72 - Step 5: Solve for x
x = 66,895,744,925.72/257,635.08 - Step 6: Final answer
x = 259,653.09
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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.