Finding the Fourth Proportional to 382,307.04, 527,523.84 and 221,149.44
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Solution
The fourth proportional to 382,307.04, 527,523.84 and 221,149.44 is: 305,151.59
Step by Step Solution
- Step 1: Write the proportion equation
382,307.04 : 527,523.84 = 221,149.44 : x - Step 2: Convert to fraction form
382,307.04/527,523.84 = 221,149.44/x - Step 3: Cross multiply
382,307.04x = 527,523.84 × 221,149.44 - Step 4: Simplify right side
382,307.04x = 116,661,601,802.65 - Step 5: Solve for x
x = 116,661,601,802.65/382,307.04 - Step 6: Final answer
x = 305,151.59
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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.