Finding the Fourth Proportional to 347,982.17, 480,207.39 and 202,778.70
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Solution
The fourth proportional to 347,982.17, 480,207.39 and 202,778.70 is: 279,829.95
Step by Step Solution
- Step 1: Write the proportion equation
347,982.17 : 480,207.39 = 202,778.70 : x - Step 2: Convert to fraction form
347,982.17/480,207.39 = 202,778.70/x - Step 3: Cross multiply
347,982.17x = 480,207.39 × 202,778.70 - Step 4: Simplify right side
347,982.17x = 97,375,830,274.59 - Step 5: Solve for x
x = 97,375,830,274.59/347,982.17 - Step 6: Final answer
x = 279,829.95
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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.