Finding the Fourth Proportional to 433,284.18, 649,649.28 and 208,196.70
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Solution
The fourth proportional to 433,284.18, 649,649.28 and 208,196.70 is: 312,161.95
Step by Step Solution
- Step 1: Write the proportion equation
433,284.18 : 649,649.28 = 208,196.70 : x - Step 2: Convert to fraction form
433,284.18/649,649.28 = 208,196.70/x - Step 3: Cross multiply
433,284.18x = 649,649.28 × 208,196.70 - Step 4: Simplify right side
433,284.18x = 135,254,836,253.38 - Step 5: Solve for x
x = 135,254,836,253.38/433,284.18 - Step 6: Final answer
x = 312,161.95
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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.