Finding the Fourth Proportional to 202,331.92, 279,219.01 and 111,686.23
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Solution
The fourth proportional to 202,331.92, 279,219.01 and 111,686.23 is: 154,127.53
Step by Step Solution
- Step 1: Write the proportion equation
202,331.92 : 279,219.01 = 111,686.23 : x - Step 2: Convert to fraction form
202,331.92/279,219.01 = 111,686.23/x - Step 3: Cross multiply
202,331.92x = 279,219.01 × 111,686.23 - Step 4: Simplify right side
202,331.92x = 31,184,918,571.23 - Step 5: Solve for x
x = 31,184,918,571.23/202,331.92 - Step 6: Final answer
x = 154,127.53
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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.