Finding the Fourth Proportional to 118,450.21, 177,703.17 and 38,487.91
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Solution
The fourth proportional to 118,450.21, 177,703.17 and 38,487.91 is: 57,740.92
Step by Step Solution
- Step 1: Write the proportion equation
118,450.21 : 177,703.17 = 38,487.91 : x - Step 2: Convert to fraction form
118,450.21/177,703.17 = 38,487.91/x - Step 3: Cross multiply
118,450.21x = 177,703.17 × 38,487.91 - Step 4: Simplify right side
118,450.21x = 6,839,423,613.67 - Step 5: Solve for x
x = 6,839,423,613.67/118,450.21 - Step 6: Final answer
x = 57,740.92
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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.