Finding the Fourth Proportional to 212,727.30, 318,745.35 and 133,700.10
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Solution
The fourth proportional to 212,727.30, 318,745.35 and 133,700.10 is: 200,332.94
Step by Step Solution
- Step 1: Write the proportion equation
212,727.30 : 318,745.35 = 133,700.10 : x - Step 2: Convert to fraction form
212,727.30/318,745.35 = 133,700.10/x - Step 3: Cross multiply
212,727.30x = 318,745.35 × 133,700.10 - Step 4: Simplify right side
212,727.30x = 42,616,285,169.54 - Step 5: Solve for x
x = 42,616,285,169.54/212,727.30 - Step 6: Final answer
x = 200,332.94
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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.