Finding the Fourth Proportional to 212,701.16, 319,124.30 and 133,722.92
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Solution
The fourth proportional to 212,701.16, 319,124.30 and 133,722.92 is: 200,630.00
Step by Step Solution
- Step 1: Write the proportion equation
212,701.16 : 319,124.30 = 133,722.92 : x - Step 2: Convert to fraction form
212,701.16/319,124.30 = 133,722.92/x - Step 3: Cross multiply
212,701.16x = 319,124.30 × 133,722.92 - Step 4: Simplify right side
212,701.16x = 42,674,233,238.96 - Step 5: Solve for x
x = 42,674,233,238.96/212,701.16 - Step 6: Final answer
x = 200,630.00
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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.