Finding the Fourth Proportional to 202,537.80, 279,519.12 and 117,649.80
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Solution
The fourth proportional to 202,537.80, 279,519.12 and 117,649.80 is: 162,366.57
Step by Step Solution
- Step 1: Write the proportion equation
202,537.80 : 279,519.12 = 117,649.80 : x - Step 2: Convert to fraction form
202,537.80/279,519.12 = 117,649.80/x - Step 3: Cross multiply
202,537.80x = 279,519.12 × 117,649.80 - Step 4: Simplify right side
202,537.80x = 32,885,368,564.18 - Step 5: Solve for x
x = 32,885,368,564.18/202,537.80 - Step 6: Final answer
x = 162,366.57
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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.