Finding the Fourth Proportional to 349,553.28, 482,424.48 and 198,672.96
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Solution
The fourth proportional to 349,553.28, 482,424.48 and 198,672.96 is: 274,191.96
Step by Step Solution
- Step 1: Write the proportion equation
349,553.28 : 482,424.48 = 198,672.96 : x - Step 2: Convert to fraction form
349,553.28/482,424.48 = 198,672.96/x - Step 3: Cross multiply
349,553.28x = 482,424.48 × 198,672.96 - Step 4: Simplify right side
349,553.28x = 95,844,699,418.06 - Step 5: Solve for x
x = 95,844,699,418.06/349,553.28 - Step 6: Final answer
x = 274,191.96
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1.5x scale
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.