Finding the Fourth Proportional to 235,487.40, 353,231.10 and 160,837.80
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Solution
The fourth proportional to 235,487.40, 353,231.10 and 160,837.80 is: 241,256.70
Step by Step Solution
- Step 1: Write the proportion equation
235,487.40 : 353,231.10 = 160,837.80 : x - Step 2: Convert to fraction form
235,487.40/353,231.10 = 160,837.80/x - Step 3: Cross multiply
235,487.40x = 353,231.10 × 160,837.80 - Step 4: Simplify right side
235,487.40x = 56,812,913,015.58 - Step 5: Solve for x
x = 56,812,913,015.58/235,487.40 - Step 6: Final answer
x = 241,256.70
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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.