Finding the Fourth Proportional to 154,102.10, 212,484.67 and 125,343.05
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Solution
The fourth proportional to 154,102.10, 212,484.67 and 125,343.05 is: 172,830.07
Step by Step Solution
- Step 1: Write the proportion equation
154,102.10 : 212,484.67 = 125,343.05 : x - Step 2: Convert to fraction form
154,102.10/212,484.67 = 125,343.05/x - Step 3: Cross multiply
154,102.10x = 212,484.67 × 125,343.05 - Step 4: Simplify right side
154,102.10x = 26,633,475,240.26 - Step 5: Solve for x
x = 26,633,475,240.26/154,102.10 - Step 6: Final answer
x = 172,830.07
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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.