Finding the Fourth Proportional to 192,205.84, 288,308.76 and 98,651.92
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Solution
The fourth proportional to 192,205.84, 288,308.76 and 98,651.92 is: 147,977.88
Step by Step Solution
- Step 1: Write the proportion equation
192,205.84 : 288,308.76 = 98,651.92 : x - Step 2: Convert to fraction form
192,205.84/288,308.76 = 98,651.92/x - Step 3: Cross multiply
192,205.84x = 288,308.76 × 98,651.92 - Step 4: Simplify right side
192,205.84x = 28,442,212,726.82 - Step 5: Solve for x
x = 28,442,212,726.82/192,205.84 - Step 6: Final answer
x = 147,977.88
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1.5x scale
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.