Finding the Fourth Proportional to 134,816.60, 202,224.90 and 97,491.80
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Solution
The fourth proportional to 134,816.60, 202,224.90 and 97,491.80 is: 146,237.70
Step by Step Solution
- Step 1: Write the proportion equation
134,816.60 : 202,224.90 = 97,491.80 : x - Step 2: Convert to fraction form
134,816.60/202,224.90 = 97,491.80/x - Step 3: Cross multiply
134,816.60x = 202,224.90 × 97,491.80 - Step 4: Simplify right side
134,816.60x = 19,715,269,505.82 - Step 5: Solve for x
x = 19,715,269,505.82/134,816.60 - Step 6: Final answer
x = 146,237.70
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1.5x scale
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.