Finding the Fourth Proportional to 202,887.20, 304,330.80 and 97,680.80
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Solution
The fourth proportional to 202,887.20, 304,330.80 and 97,680.80 is: 146,521.20
Step by Step Solution
- Step 1: Write the proportion equation
202,887.20 : 304,330.80 = 97,680.80 : x - Step 2: Convert to fraction form
202,887.20/304,330.80 = 97,680.80/x - Step 3: Cross multiply
202,887.20x = 304,330.80 × 97,680.80 - Step 4: Simplify right side
202,887.20x = 29,727,276,008.64 - Step 5: Solve for x
x = 29,727,276,008.64/202,887.20 - Step 6: Final answer
x = 146,521.20
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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.