Finding the Fourth Proportional to 171,234.70, 236,370.12 and 153,298.53
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Solution
The fourth proportional to 171,234.70, 236,370.12 and 153,298.53 is: 211,611.27
Step by Step Solution
- Step 1: Write the proportion equation
171,234.70 : 236,370.12 = 153,298.53 : x - Step 2: Convert to fraction form
171,234.70/236,370.12 = 153,298.53/x - Step 3: Cross multiply
171,234.70x = 236,370.12 × 153,298.53 - Step 4: Simplify right side
171,234.70x = 36,235,191,357.05 - Step 5: Solve for x
x = 36,235,191,357.05/171,234.70 - Step 6: Final answer
x = 211,611.27
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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.