Finding the Fourth Proportional to 220,916.18, 304,846.20 and 124,114.70
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Solution
The fourth proportional to 220,916.18, 304,846.20 and 124,114.70 is: 171,268.10
Step by Step Solution
- Step 1: Write the proportion equation
220,916.18 : 304,846.20 = 124,114.70 : x - Step 2: Convert to fraction form
220,916.18/304,846.20 = 124,114.70/x - Step 3: Cross multiply
220,916.18x = 304,846.20 × 124,114.70 - Step 4: Simplify right side
220,916.18x = 37,835,895,421.26 - Step 5: Solve for x
x = 37,835,895,421.26/220,916.18 - Step 6: Final answer
x = 171,268.10
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1.5x scale
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.