Finding the Fourth Proportional to 355,553.56, 490,679.16 and 194,398.99
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Solution
The fourth proportional to 355,553.56, 490,679.16 and 194,398.99 is: 268,278.94
Step by Step Solution
- Step 1: Write the proportion equation
355,553.56 : 490,679.16 = 194,398.99 : x - Step 2: Convert to fraction form
355,553.56/490,679.16 = 194,398.99/x - Step 3: Cross multiply
355,553.56x = 490,679.16 × 194,398.99 - Step 4: Simplify right side
355,553.56x = 95,387,533,118.05 - Step 5: Solve for x
x = 95,387,533,118.05/355,553.56 - Step 6: Final answer
x = 268,278.94
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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.