Finding the Fourth Proportional to 202,372.48, 279,306.84 and 117,538.75
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Solution
The fourth proportional to 202,372.48, 279,306.84 and 117,538.75 is: 162,222.54
Step by Step Solution
- Step 1: Write the proportion equation
202,372.48 : 279,306.84 = 117,538.75 : x - Step 2: Convert to fraction form
202,372.48/279,306.84 = 117,538.75/x - Step 3: Cross multiply
202,372.48x = 279,306.84 × 117,538.75 - Step 4: Simplify right side
202,372.48x = 32,829,376,840.05 - Step 5: Solve for x
x = 32,829,376,840.05/202,372.48 - Step 6: Final answer
x = 162,222.54
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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.