Finding the Fourth Proportional to 220,964.44, 304,916.57 and 130,299.62
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Solution
The fourth proportional to 220,964.44, 304,916.57 and 130,299.62 is: 179,805.01
Step by Step Solution
- Step 1: Write the proportion equation
220,964.44 : 304,916.57 = 130,299.62 : x - Step 2: Convert to fraction form
220,964.44/304,916.57 = 130,299.62/x - Step 3: Cross multiply
220,964.44x = 304,916.57 × 130,299.62 - Step 4: Simplify right side
220,964.44x = 39,730,513,202.70 - Step 5: Solve for x
x = 39,730,513,202.70/220,964.44 - Step 6: Final answer
x = 179,805.01
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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.