Finding the Fourth Proportional to 219,315.70, 328,195.95 and 149,331.70
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Solution
The fourth proportional to 219,315.70, 328,195.95 and 149,331.70 is: 223,468.08
Step by Step Solution
- Step 1: Write the proportion equation
219,315.70 : 328,195.95 = 149,331.70 : x - Step 2: Convert to fraction form
219,315.70/328,195.95 = 149,331.70/x - Step 3: Cross multiply
219,315.70x = 328,195.95 × 149,331.70 - Step 4: Simplify right side
219,315.70x = 49,010,059,146.62 - Step 5: Solve for x
x = 49,010,059,146.62/219,315.70 - Step 6: Final answer
x = 223,468.08
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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.