Finding the Fourth Proportional to 191,695.02, 287,676.99 and 79,377.18
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Solution
The fourth proportional to 191,695.02, 287,676.99 and 79,377.18 is: 119,121.45
Step by Step Solution
- Step 1: Write the proportion equation
191,695.02 : 287,676.99 = 79,377.18 : x - Step 2: Convert to fraction form
191,695.02/287,676.99 = 79,377.18/x - Step 3: Cross multiply
191,695.02x = 287,676.99 × 79,377.18 - Step 4: Simplify right side
191,695.02x = 22,834,988,217.09 - Step 5: Solve for x
x = 22,834,988,217.09/191,695.02 - Step 6: Final answer
x = 119,121.45
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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.