Finding the Fourth Proportional to 115,343.12, 172,817.82 and 62,658.26
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Solution
The fourth proportional to 115,343.12, 172,817.82 and 62,658.26 is: 93,880.45
Step by Step Solution
- Step 1: Write the proportion equation
115,343.12 : 172,817.82 = 62,658.26 : x - Step 2: Convert to fraction form
115,343.12/172,817.82 = 62,658.26/x - Step 3: Cross multiply
115,343.12x = 172,817.82 × 62,658.26 - Step 4: Simplify right side
115,343.12x = 10,828,463,898.19 - Step 5: Solve for x
x = 10,828,463,898.19/115,343.12 - Step 6: Final answer
x = 93,880.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.