Finding the Fourth Proportional to 202,971.30, 280,212.99 and 122,419.14
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Solution
The fourth proportional to 202,971.30, 280,212.99 and 122,419.14 is: 169,006.32
Step by Step Solution
- Step 1: Write the proportion equation
202,971.30 : 280,212.99 = 122,419.14 : x - Step 2: Convert to fraction form
202,971.30/280,212.99 = 122,419.14/x - Step 3: Cross multiply
202,971.30x = 280,212.99 × 122,419.14 - Step 4: Simplify right side
202,971.30x = 34,303,433,252.63 - Step 5: Solve for x
x = 34,303,433,252.63/202,971.30 - Step 6: Final answer
x = 169,006.32
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.