Finding the Fourth Proportional to 257,793.66, 386,232.97 and 107,703.63
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Solution
The fourth proportional to 257,793.66, 386,232.97 and 107,703.63 is: 161,364.30
Step by Step Solution
- Step 1: Write the proportion equation
257,793.66 : 386,232.97 = 107,703.63 : x - Step 2: Convert to fraction form
257,793.66/386,232.97 = 107,703.63/x - Step 3: Cross multiply
257,793.66x = 386,232.97 × 107,703.63 - Step 4: Simplify right side
257,793.66x = 41,598,692,894.68 - Step 5: Solve for x
x = 41,598,692,894.68/257,793.66 - Step 6: Final answer
x = 161,364.30
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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.