Finding the Fourth Proportional to 202,729.08, 279,810.56 and 117,895.08
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Solution
The fourth proportional to 202,729.08, 279,810.56 and 117,895.08 is: 162,721.05
Step by Step Solution
- Step 1: Write the proportion equation
202,729.08 : 279,810.56 = 117,895.08 : x - Step 2: Convert to fraction form
202,729.08/279,810.56 = 117,895.08/x - Step 3: Cross multiply
202,729.08x = 279,810.56 × 117,895.08 - Step 4: Simplify right side
202,729.08x = 32,988,288,356.04 - Step 5: Solve for x
x = 32,988,288,356.04/202,729.08 - Step 6: Final answer
x = 162,721.05
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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.