Finding the Fourth Proportional to 257,251.80, 354,925.08 and 166,677.60
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Solution
The fourth proportional to 257,251.80, 354,925.08 and 166,677.60 is: 229,961.70
Step by Step Solution
- Step 1: Write the proportion equation
257,251.80 : 354,925.08 = 166,677.60 : x - Step 2: Convert to fraction form
257,251.80/354,925.08 = 166,677.60/x - Step 3: Cross multiply
257,251.80x = 354,925.08 × 166,677.60 - Step 4: Simplify right side
257,251.80x = 59,158,060,514.21 - Step 5: Solve for x
x = 59,158,060,514.21/257,251.80 - Step 6: Final answer
x = 229,961.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.