Finding the Fourth Proportional to 234,388.41, 351,710.62 and 99,431.63
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Solution
The fourth proportional to 234,388.41, 351,710.62 and 99,431.63 is: 149,201.75
Step by Step Solution
- Step 1: Write the proportion equation
234,388.41 : 351,710.62 = 99,431.63 : x - Step 2: Convert to fraction form
234,388.41/351,710.62 = 99,431.63/x - Step 3: Cross multiply
234,388.41x = 351,710.62 × 99,431.63 - Step 4: Simplify right side
234,388.41x = 34,971,160,234.91 - Step 5: Solve for x
x = 34,971,160,234.91/234,388.41 - Step 6: Final answer
x = 149,201.75
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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.