Finding the Fourth Proportional to 219,890.57, 303,292.53 and 201,799.71
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Solution
The fourth proportional to 219,890.57, 303,292.53 and 201,799.71 is: 278,340.02
Step by Step Solution
- Step 1: Write the proportion equation
219,890.57 : 303,292.53 = 201,799.71 : x - Step 2: Convert to fraction form
219,890.57/303,292.53 = 201,799.71/x - Step 3: Cross multiply
219,890.57x = 303,292.53 × 201,799.71 - Step 4: Simplify right side
219,890.57x = 61,204,344,599.17 - Step 5: Solve for x
x = 61,204,344,599.17/219,890.57 - Step 6: Final answer
x = 278,340.02
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1.5x scale
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.