Finding the Fourth Proportional to 360,753.58, 497,819.14 and 199,599.02
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Solution
The fourth proportional to 360,753.58, 497,819.14 and 199,599.02 is: 275,435.14
Step by Step Solution
- Step 1: Write the proportion equation
360,753.58 : 497,819.14 = 199,599.02 : x - Step 2: Convert to fraction form
360,753.58/497,819.14 = 199,599.02/x - Step 3: Cross multiply
360,753.58x = 497,819.14 × 199,599.02 - Step 4: Simplify right side
360,753.58x = 99,364,212,481.24 - Step 5: Solve for x
x = 99,364,212,481.24/360,753.58 - Step 6: Final answer
x = 275,435.14
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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.