Finding the Fourth Proportional to 197,228.10, 295,842.15 and 163,985.70
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Solution
The fourth proportional to 197,228.10, 295,842.15 and 163,985.70 is: 245,978.55
Step by Step Solution
- Step 1: Write the proportion equation
197,228.10 : 295,842.15 = 163,985.70 : x - Step 2: Convert to fraction form
197,228.10/295,842.15 = 163,985.70/x - Step 3: Cross multiply
197,228.10x = 295,842.15 × 163,985.70 - Step 4: Simplify right side
197,228.10x = 48,513,882,057.26 - Step 5: Solve for x
x = 48,513,882,057.26/197,228.10 - Step 6: Final answer
x = 245,978.55
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1.5x scale
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.