Finding the Fourth Proportional to 285,751.68, 393,437.52 and 217,549.68
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Solution
The fourth proportional to 285,751.68, 393,437.52 and 217,549.68 is: 299,533.52
Step by Step Solution
- Step 1: Write the proportion equation
285,751.68 : 393,437.52 = 217,549.68 : x - Step 2: Convert to fraction form
285,751.68/393,437.52 = 217,549.68/x - Step 3: Cross multiply
285,751.68x = 393,437.52 × 217,549.68 - Step 4: Simplify right side
285,751.68x = 85,592,206,575.99 - Step 5: Solve for x
x = 85,592,206,575.99/285,751.68 - Step 6: Final answer
x = 299,533.52
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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.