Finding the Fourth Proportional to 207,177.88, 285,903.88 and 117,753.88
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Solution
The fourth proportional to 207,177.88, 285,903.88 and 117,753.88 is: 162,499.45
Step by Step Solution
- Step 1: Write the proportion equation
207,177.88 : 285,903.88 = 117,753.88 : x - Step 2: Convert to fraction form
207,177.88/285,903.88 = 117,753.88/x - Step 3: Cross multiply
207,177.88x = 285,903.88 × 117,753.88 - Step 4: Simplify right side
207,177.88x = 33,666,291,177.05 - Step 5: Solve for x
x = 33,666,291,177.05/207,177.88 - Step 6: Final answer
x = 162,499.45
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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.