Finding the Fourth Proportional to 197,201.60, 295,802.40 and 163,959.20
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Solution
The fourth proportional to 197,201.60, 295,802.40 and 163,959.20 is: 245,938.80
Step by Step Solution
- Step 1: Write the proportion equation
197,201.60 : 295,802.40 = 163,959.20 : x - Step 2: Convert to fraction form
197,201.60/295,802.40 = 163,959.20/x - Step 3: Cross multiply
197,201.60x = 295,802.40 × 163,959.20 - Step 4: Simplify right side
197,201.60x = 48,499,524,862.08 - Step 5: Solve for x
x = 48,499,524,862.08/197,201.60 - Step 6: Final answer
x = 245,938.80
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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.