Finding the Fourth Proportional to 185,755.24, 256,226.19 and 154,631.15
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Solution
The fourth proportional to 185,755.24, 256,226.19 and 154,631.15 is: 213,294.39
Step by Step Solution
- Step 1: Write the proportion equation
185,755.24 : 256,226.19 = 154,631.15 : x - Step 2: Convert to fraction form
185,755.24/256,226.19 = 154,631.15/x - Step 3: Cross multiply
185,755.24x = 256,226.19 × 154,631.15 - Step 4: Simplify right side
185,755.24x = 39,620,550,240.31 - Step 5: Solve for x
x = 39,620,550,240.31/185,755.24 - Step 6: Final answer
x = 213,294.39
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1.5x scale
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.