Finding the Fourth Proportional to 194,844.80, 292,267.20 and 131,859.20
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Solution
The fourth proportional to 194,844.80, 292,267.20 and 131,859.20 is: 197,788.80
Step by Step Solution
- Step 1: Write the proportion equation
194,844.80 : 292,267.20 = 131,859.20 : x - Step 2: Convert to fraction form
194,844.80/292,267.20 = 131,859.20/x - Step 3: Cross multiply
194,844.80x = 292,267.20 × 131,859.20 - Step 4: Simplify right side
194,844.80x = 38,538,119,178.24 - Step 5: Solve for x
x = 38,538,119,178.24/194,844.80 - Step 6: Final answer
x = 197,788.80
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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.