Finding the Fourth Proportional to 219,913.11, 303,480.68 and 119,311.11
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Solution
The fourth proportional to 219,913.11, 303,480.68 and 119,311.11 is: 164,649.65
Step by Step Solution
- Step 1: Write the proportion equation
219,913.11 : 303,480.68 = 119,311.11 : x - Step 2: Convert to fraction form
219,913.11/303,480.68 = 119,311.11/x - Step 3: Cross multiply
219,913.11x = 303,480.68 × 119,311.11 - Step 4: Simplify right side
219,913.11x = 36,208,616,197.80 - Step 5: Solve for x
x = 36,208,616,197.80/219,913.11 - Step 6: Final answer
x = 164,649.65
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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.