Finding the Fourth Proportional to 178,352.40, 246,126.25 and 97,778.20
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Solution
The fourth proportional to 178,352.40, 246,126.25 and 97,778.20 is: 134,933.88
Step by Step Solution
- Step 1: Write the proportion equation
178,352.40 : 246,126.25 = 97,778.20 : x - Step 2: Convert to fraction form
178,352.40/246,126.25 = 97,778.20/x - Step 3: Cross multiply
178,352.40x = 246,126.25 × 97,778.20 - Step 4: Simplify right side
178,352.40x = 24,065,782,127.63 - Step 5: Solve for x
x = 24,065,782,127.63/178,352.40 - Step 6: Final answer
x = 134,933.88
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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.