Finding the Fourth Proportional to 234,438.99, 350,653.77 and 217,421.40
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Solution
The fourth proportional to 234,438.99, 350,653.77 and 217,421.40 is: 325,200.32
Step by Step Solution
- Step 1: Write the proportion equation
234,438.99 : 350,653.77 = 217,421.40 : x - Step 2: Convert to fraction form
234,438.99/350,653.77 = 217,421.40/x - Step 3: Cross multiply
234,438.99x = 350,653.77 × 217,421.40 - Step 4: Simplify right side
234,438.99x = 76,239,633,588.68 - Step 5: Solve for x
x = 76,239,633,588.68/234,438.99 - Step 6: Final answer
x = 325,200.32
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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.