Finding the Fourth Proportional to 184,612.20, 276,918.30 and 155,087.70
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Solution
The fourth proportional to 184,612.20, 276,918.30 and 155,087.70 is: 232,631.55
Step by Step Solution
- Step 1: Write the proportion equation
184,612.20 : 276,918.30 = 155,087.70 : x - Step 2: Convert to fraction form
184,612.20/276,918.30 = 155,087.70/x - Step 3: Cross multiply
184,612.20x = 276,918.30 × 155,087.70 - Step 4: Simplify right side
184,612.20x = 42,946,622,234.91 - Step 5: Solve for x
x = 42,946,622,234.91/184,612.20 - Step 6: Final answer
x = 232,631.55
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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.