Finding the Fourth Proportional to 382,803.30, 528,126.24 and 382,212.81
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Solution
The fourth proportional to 382,803.30, 528,126.24 and 382,212.81 is: 527,311.58
Step by Step Solution
- Step 1: Write the proportion equation
382,803.30 : 528,126.24 = 382,212.81 : x - Step 2: Convert to fraction form
382,803.30/528,126.24 = 382,212.81/x - Step 3: Cross multiply
382,803.30x = 528,126.24 × 382,212.81 - Step 4: Simplify right side
382,803.30x = 201,856,614,225.13 - Step 5: Solve for x
x = 201,856,614,225.13/382,803.30 - Step 6: Final answer
x = 527,311.58
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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.