Finding the Fourth Proportional to 219,625.74, 328,815.99 and 144,520.02
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Solution
The fourth proportional to 219,625.74, 328,815.99 and 144,520.02 is: 216,370.33
Step by Step Solution
- Step 1: Write the proportion equation
219,625.74 : 328,815.99 = 144,520.02 : x - Step 2: Convert to fraction form
219,625.74/328,815.99 = 144,520.02/x - Step 3: Cross multiply
219,625.74x = 328,815.99 × 144,520.02 - Step 4: Simplify right side
219,625.74x = 47,520,493,451.12 - Step 5: Solve for x
x = 47,520,493,451.12/219,625.74 - Step 6: Final answer
x = 216,370.33
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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.