Finding the Fourth Proportional to 385,774.77, 532,246.17 and 249,912.87
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Solution
The fourth proportional to 385,774.77, 532,246.17 and 249,912.87 is: 344,800.07
Step by Step Solution
- Step 1: Write the proportion equation
385,774.77 : 532,246.17 = 249,912.87 : x - Step 2: Convert to fraction form
385,774.77/532,246.17 = 249,912.87/x - Step 3: Cross multiply
385,774.77x = 532,246.17 × 249,912.87 - Step 4: Simplify right side
385,774.77x = 133,015,167,891.21 - Step 5: Solve for x
x = 133,015,167,891.21/385,774.77 - Step 6: Final answer
x = 344,800.07
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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.