Finding the Fourth Proportional to 185,608.05, 256,138.97 and 105,034.11
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Solution
The fourth proportional to 185,608.05, 256,138.97 and 105,034.11 is: 144,946.99
Step by Step Solution
- Step 1: Write the proportion equation
185,608.05 : 256,138.97 = 105,034.11 : x - Step 2: Convert to fraction form
185,608.05/256,138.97 = 105,034.11/x - Step 3: Cross multiply
185,608.05x = 256,138.97 × 105,034.11 - Step 4: Simplify right side
185,608.05x = 26,903,328,225.10 - Step 5: Solve for x
x = 26,903,328,225.10/185,608.05 - Step 6: Final answer
x = 144,946.99
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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.