Finding the Fourth Proportional to 173,653.13, 239,411.60 and 125,214.53
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Solution
The fourth proportional to 173,653.13, 239,411.60 and 125,214.53 is: 172,630.40
Step by Step Solution
- Step 1: Write the proportion equation
173,653.13 : 239,411.60 = 125,214.53 : x - Step 2: Convert to fraction form
173,653.13/239,411.60 = 125,214.53/x - Step 3: Cross multiply
173,653.13x = 239,411.60 × 125,214.53 - Step 4: Simplify right side
173,653.13x = 29,977,809,616.97 - Step 5: Solve for x
x = 29,977,809,616.97/173,653.13 - Step 6: Final answer
x = 172,630.40
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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.