Finding the Fourth Proportional to 360,905.64, 497,980.62 and 199,753.08
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Solution
The fourth proportional to 360,905.64, 497,980.62 and 199,753.08 is: 275,620.97
Step by Step Solution
- Step 1: Write the proportion equation
360,905.64 : 497,980.62 = 199,753.08 : x - Step 2: Convert to fraction form
360,905.64/497,980.62 = 199,753.08/x - Step 3: Cross multiply
360,905.64x = 497,980.62 × 199,753.08 - Step 4: Simplify right side
360,905.64x = 99,473,162,625.31 - Step 5: Solve for x
x = 99,473,162,625.31/360,905.64 - Step 6: Final answer
x = 275,620.97
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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.