Finding the Fourth Proportional to 313,934.80, 470,891.76 and 136,442.02
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Solution
The fourth proportional to 313,934.80, 470,891.76 and 136,442.02 is: 204,658.49
Step by Step Solution
- Step 1: Write the proportion equation
313,934.80 : 470,891.76 = 136,442.02 : x - Step 2: Convert to fraction form
313,934.80/470,891.76 = 136,442.02/x - Step 3: Cross multiply
313,934.80x = 470,891.76 × 136,442.02 - Step 4: Simplify right side
313,934.80x = 64,249,422,935.76 - Step 5: Solve for x
x = 64,249,422,935.76/313,934.80 - Step 6: Final answer
x = 204,658.49
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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.