Finding the Fourth Proportional to 203,159.91, 280,291.68 and 117,116.13
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Solution
The fourth proportional to 203,159.91, 280,291.68 and 117,116.13 is: 161,580.49
Step by Step Solution
- Step 1: Write the proportion equation
203,159.91 : 280,291.68 = 117,116.13 : x - Step 2: Convert to fraction form
203,159.91/280,291.68 = 117,116.13/x - Step 3: Cross multiply
203,159.91x = 280,291.68 × 117,116.13 - Step 4: Simplify right side
203,159.91x = 32,826,676,832.80 - Step 5: Solve for x
x = 32,826,676,832.80/203,159.91 - Step 6: Final answer
x = 161,580.49
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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.