Finding the Fourth Proportional to 491,536.40, 737,405.22 and 187,909.01
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Solution
The fourth proportional to 491,536.40, 737,405.22 and 187,909.01 is: 281,901.99
Step by Step Solution
- Step 1: Write the proportion equation
491,536.40 : 737,405.22 = 187,909.01 : x - Step 2: Convert to fraction form
491,536.40/737,405.22 = 187,909.01/x - Step 3: Cross multiply
491,536.40x = 737,405.22 × 187,909.01 - Step 4: Simplify right side
491,536.40x = 138,565,087,732.85 - Step 5: Solve for x
x = 138,565,087,732.85/491,536.40 - Step 6: Final answer
x = 281,901.99
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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.