Finding the Fourth Proportional to 203,335.12, 280,597.68 and 118,446.70
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Solution
The fourth proportional to 203,335.12, 280,597.68 and 118,446.70 is: 163,453.66
Step by Step Solution
- Step 1: Write the proportion equation
203,335.12 : 280,597.68 = 118,446.70 : x - Step 2: Convert to fraction form
203,335.12/280,597.68 = 118,446.70/x - Step 3: Cross multiply
203,335.12x = 280,597.68 × 118,446.70 - Step 4: Simplify right side
203,335.12x = 33,235,869,223.66 - Step 5: Solve for x
x = 33,235,869,223.66/203,335.12 - Step 6: Final answer
x = 163,453.66
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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.