Finding the Fourth Proportional to 385,533.81, 532,036.58 and 215,767.94
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Solution
The fourth proportional to 385,533.81, 532,036.58 and 215,767.94 is: 297,759.70
Step by Step Solution
- Step 1: Write the proportion equation
385,533.81 : 532,036.58 = 215,767.94 : x - Step 2: Convert to fraction form
385,533.81/532,036.58 = 215,767.94/x - Step 3: Cross multiply
385,533.81x = 532,036.58 × 215,767.94 - Step 4: Simplify right side
385,533.81x = 114,796,433,132.22 - Step 5: Solve for x
x = 114,796,433,132.22/385,533.81 - Step 6: Final answer
x = 297,759.70
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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.