Finding the Fourth Proportional to 220,579.24, 331,017.09 and 219,767.62
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Solution
The fourth proportional to 220,579.24, 331,017.09 and 219,767.62 is: 329,799.11
Step by Step Solution
- Step 1: Write the proportion equation
220,579.24 : 331,017.09 = 219,767.62 : x - Step 2: Convert to fraction form
220,579.24/331,017.09 = 219,767.62/x - Step 3: Cross multiply
220,579.24x = 331,017.09 × 219,767.62 - Step 4: Simplify right side
220,579.24x = 72,746,838,048.63 - Step 5: Solve for x
x = 72,746,838,048.63/220,579.24 - Step 6: Final answer
x = 329,799.11
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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.