Finding the Fourth Proportional to 519,700, 717,186 and 281,236
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Solution
The fourth proportional to 519,700, 717,186 and 281,236 is: 388,105.68
Step by Step Solution
- Step 1: Write the proportion equation
519,700 : 717,186 = 281,236 : x - Step 2: Convert to fraction form
519,700/717,186 = 281,236/x - Step 3: Cross multiply
519,700x = 717,186 × 281,236 - Step 4: Simplify right side
519,700x = 201,698,521,896 - Step 5: Solve for x
x = 201,698,521,896/519,700 - Step 6: Final answer
x = 388,105.68
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.