Finding the Fourth Proportional to 249,239.62, 343,990.16 and 158,500.99
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Solution
The fourth proportional to 249,239.62, 343,990.16 and 158,500.99 is: 218,756.48
Step by Step Solution
- Step 1: Write the proportion equation
249,239.62 : 343,990.16 = 158,500.99 : x - Step 2: Convert to fraction form
249,239.62/343,990.16 = 158,500.99/x - Step 3: Cross multiply
249,239.62x = 343,990.16 × 158,500.99 - Step 4: Simplify right side
249,239.62x = 54,522,780,910.26 - Step 5: Solve for x
x = 54,522,780,910.26/249,239.62 - Step 6: Final answer
x = 218,756.48
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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.