Finding the Fourth Proportional to 197,207.70, 295,811.55 and 163,965.30
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Solution
The fourth proportional to 197,207.70, 295,811.55 and 163,965.30 is: 245,947.95
Step by Step Solution
- Step 1: Write the proportion equation
197,207.70 : 295,811.55 = 163,965.30 : x - Step 2: Convert to fraction form
197,207.70/295,811.55 = 163,965.30/x - Step 3: Cross multiply
197,207.70x = 295,811.55 × 163,965.30 - Step 4: Simplify right side
197,207.70x = 48,502,829,539.22 - Step 5: Solve for x
x = 48,502,829,539.22/197,207.70 - Step 6: Final answer
x = 245,947.95
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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.