Finding the Fourth Proportional to 354,917.40, 532,376.10 and 236,203.80
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Solution
The fourth proportional to 354,917.40, 532,376.10 and 236,203.80 is: 354,305.70
Step by Step Solution
- Step 1: Write the proportion equation
354,917.40 : 532,376.10 = 236,203.80 : x - Step 2: Convert to fraction form
354,917.40/532,376.10 = 236,203.80/x - Step 3: Cross multiply
354,917.40x = 532,376.10 × 236,203.80 - Step 4: Simplify right side
354,917.40x = 125,749,257,849.18 - Step 5: Solve for x
x = 125,749,257,849.18/354,917.40 - Step 6: Final answer
x = 354,305.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.