Finding the Fourth Proportional to 134,820.60, 202,230.90 and 97,495.80
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Solution
The fourth proportional to 134,820.60, 202,230.90 and 97,495.80 is: 146,243.70
Step by Step Solution
- Step 1: Write the proportion equation
134,820.60 : 202,230.90 = 97,495.80 : x - Step 2: Convert to fraction form
134,820.60/202,230.90 = 97,495.80/x - Step 3: Cross multiply
134,820.60x = 202,230.90 × 97,495.80 - Step 4: Simplify right side
134,820.60x = 19,716,663,380.22 - Step 5: Solve for x
x = 19,716,663,380.22/134,820.60 - Step 6: Final answer
x = 146,243.70
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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.