Finding the Fourth Proportional to 79,247.24, 118,916.64 and 29,362.28
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Solution
The fourth proportional to 79,247.24, 118,916.64 and 29,362.28 is: 44,060.38
Step by Step Solution
- Step 1: Write the proportion equation
79,247.24 : 118,916.64 = 29,362.28 : x - Step 2: Convert to fraction form
79,247.24/118,916.64 = 29,362.28/x - Step 3: Cross multiply
79,247.24x = 118,916.64 × 29,362.28 - Step 4: Simplify right side
79,247.24x = 3,491,663,680.34 - Step 5: Solve for x
x = 3,491,663,680.34/79,247.24 - Step 6: Final answer
x = 44,060.38
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1.5x scale
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.