Finding the Fourth Proportional to 97,217.58, 134,174.16 and 54,780.06
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Solution
The fourth proportional to 97,217.58, 134,174.16 and 54,780.06 is: 75,604.31
Step by Step Solution
- Step 1: Write the proportion equation
97,217.58 : 134,174.16 = 54,780.06 : x - Step 2: Convert to fraction form
97,217.58/134,174.16 = 54,780.06/x - Step 3: Cross multiply
97,217.58x = 134,174.16 × 54,780.06 - Step 4: Simplify right side
97,217.58x = 7,350,068,535.25 - Step 5: Solve for x
x = 7,350,068,535.25/97,217.58 - Step 6: Final answer
x = 75,604.31
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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.