Finding the Fourth Proportional to 219,860.08, 329,846.97 and 128,752.42
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Solution
The fourth proportional to 219,860.08, 329,846.97 and 128,752.42 is: 193,161.92
Step by Step Solution
- Step 1: Write the proportion equation
219,860.08 : 329,846.97 = 128,752.42 : x - Step 2: Convert to fraction form
219,860.08/329,846.97 = 128,752.42/x - Step 3: Cross multiply
219,860.08x = 329,846.97 × 128,752.42 - Step 4: Simplify right side
219,860.08x = 42,468,595,617.17 - Step 5: Solve for x
x = 42,468,595,617.17/219,860.08 - Step 6: Final answer
x = 193,161.92
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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.