Finding the Fourth Proportional to 257,207.97, 386,060.49 and 124,181.94
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Solution
The fourth proportional to 257,207.97, 386,060.49 and 124,181.94 is: 186,392.90
Step by Step Solution
- Step 1: Write the proportion equation
257,207.97 : 386,060.49 = 124,181.94 : x - Step 2: Convert to fraction form
257,207.97/386,060.49 = 124,181.94/x - Step 3: Cross multiply
257,207.97x = 386,060.49 × 124,181.94 - Step 4: Simplify right side
257,207.97x = 47,941,740,605.55 - Step 5: Solve for x
x = 47,941,740,605.55/257,207.97 - Step 6: Final answer
x = 186,392.90
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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.