Finding the Fourth Proportional to 491,611.76, 737,703.84 and 207,284.48
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Solution
The fourth proportional to 491,611.76, 737,703.84 and 207,284.48 is: 311,047.39
Step by Step Solution
- Step 1: Write the proportion equation
491,611.76 : 737,703.84 = 207,284.48 : x - Step 2: Convert to fraction form
491,611.76/737,703.84 = 207,284.48/x - Step 3: Cross multiply
491,611.76x = 737,703.84 × 207,284.48 - Step 4: Simplify right side
491,611.76x = 152,914,556,868.40 - Step 5: Solve for x
x = 152,914,556,868.40/491,611.76 - Step 6: Final answer
x = 311,047.39
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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.