Finding the Fourth Proportional to 219,153.44, 328,430.64 and 119,182.88
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Solution
The fourth proportional to 219,153.44, 328,430.64 and 119,182.88 is: 178,611.43
Step by Step Solution
- Step 1: Write the proportion equation
219,153.44 : 328,430.64 = 119,182.88 : x - Step 2: Convert to fraction form
219,153.44/328,430.64 = 119,182.88/x - Step 3: Cross multiply
219,153.44x = 328,430.64 × 119,182.88 - Step 4: Simplify right side
219,153.44x = 39,143,309,555.44 - Step 5: Solve for x
x = 39,143,309,555.44/219,153.44 - Step 6: Final answer
x = 178,611.43
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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.