Finding the Fourth Proportional to 202,731.99, 279,765.21 and 112,085.62
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Solution
The fourth proportional to 202,731.99, 279,765.21 and 112,085.62 is: 154,675.43
Step by Step Solution
- Step 1: Write the proportion equation
202,731.99 : 279,765.21 = 112,085.62 : x - Step 2: Convert to fraction form
202,731.99/279,765.21 = 112,085.62/x - Step 3: Cross multiply
202,731.99x = 279,765.21 × 112,085.62 - Step 4: Simplify right side
202,731.99x = 31,357,657,017.28 - Step 5: Solve for x
x = 31,357,657,017.28/202,731.99 - Step 6: Final answer
x = 154,675.43
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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.