Finding the Fourth Proportional to 202,998.40, 304,497.60 and 97,763.20
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Solution
The fourth proportional to 202,998.40, 304,497.60 and 97,763.20 is: 146,644.80
Step by Step Solution
- Step 1: Write the proportion equation
202,998.40 : 304,497.60 = 97,763.20 : x - Step 2: Convert to fraction form
202,998.40/304,497.60 = 97,763.20/x - Step 3: Cross multiply
202,998.40x = 304,497.60 × 97,763.20 - Step 4: Simplify right side
202,998.40x = 29,768,659,768.32 - Step 5: Solve for x
x = 29,768,659,768.32/202,998.40 - Step 6: Final answer
x = 146,644.80
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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.