Finding the Fourth Proportional to 234,140.21, 323,122.74 and 132,169.31
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Solution
The fourth proportional to 234,140.21, 323,122.74 and 132,169.31 is: 182,398.87
Step by Step Solution
- Step 1: Write the proportion equation
234,140.21 : 323,122.74 = 132,169.31 : x - Step 2: Convert to fraction form
234,140.21/323,122.74 = 132,169.31/x - Step 3: Cross multiply
234,140.21x = 323,122.74 × 132,169.31 - Step 4: Simplify right side
234,140.21x = 42,706,910,398.92 - Step 5: Solve for x
x = 42,706,910,398.92/234,140.21 - Step 6: Final answer
x = 182,398.87
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.