Finding the Fourth Proportional to 219,987.75, 303,586.74 and 119,385.75
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Solution
The fourth proportional to 219,987.75, 303,586.74 and 119,385.75 is: 164,754.31
Step by Step Solution
- Step 1: Write the proportion equation
219,987.75 : 303,586.74 = 119,385.75 : x - Step 2: Convert to fraction form
219,987.75/303,586.74 = 119,385.75/x - Step 3: Cross multiply
219,987.75x = 303,586.74 × 119,385.75 - Step 4: Simplify right side
219,987.75x = 36,243,930,644.96 - Step 5: Solve for x
x = 36,243,930,644.96/219,987.75 - Step 6: Final answer
x = 164,754.31
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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.