Finding the Fourth Proportional to 472,992.93, 652,732.20 and 258,137.55
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Solution
The fourth proportional to 472,992.93, 652,732.20 and 258,137.55 is: 356,230.89
Step by Step Solution
- Step 1: Write the proportion equation
472,992.93 : 652,732.20 = 258,137.55 : x - Step 2: Convert to fraction form
472,992.93/652,732.20 = 258,137.55/x - Step 3: Cross multiply
472,992.93x = 652,732.20 × 258,137.55 - Step 4: Simplify right side
472,992.93x = 168,494,690,914.11 - Step 5: Solve for x
x = 168,494,690,914.11/472,992.93 - Step 6: Final answer
x = 356,230.89
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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.