Finding the Fourth Proportional to 287,751.04, 397,096.68 and 160,424.08
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Solution
The fourth proportional to 287,751.04, 397,096.68 and 160,424.08 is: 221,385.37
Step by Step Solution
- Step 1: Write the proportion equation
287,751.04 : 397,096.68 = 160,424.08 : x - Step 2: Convert to fraction form
287,751.04/397,096.68 = 160,424.08/x - Step 3: Cross multiply
287,751.04x = 397,096.68 × 160,424.08 - Step 4: Simplify right side
287,751.04x = 63,703,869,560.05 - Step 5: Solve for x
x = 63,703,869,560.05/287,751.04 - Step 6: Final answer
x = 221,385.37
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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.