Finding the Fourth Proportional to 202,857.95, 279,875.98 and 116,815.08
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Solution
The fourth proportional to 202,857.95, 279,875.98 and 116,815.08 is: 161,165.66
Step by Step Solution
- Step 1: Write the proportion equation
202,857.95 : 279,875.98 = 116,815.08 : x - Step 2: Convert to fraction form
202,857.95/279,875.98 = 116,815.08/x - Step 3: Cross multiply
202,857.95x = 279,875.98 × 116,815.08 - Step 4: Simplify right side
202,857.95x = 32,693,734,993.78 - Step 5: Solve for x
x = 32,693,734,993.78/202,857.95 - Step 6: Final answer
x = 161,165.66
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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.