Finding the Fourth Proportional to 134,405.70, 201,608.55 and 92,933.70
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Solution
The fourth proportional to 134,405.70, 201,608.55 and 92,933.70 is: 139,400.55
Step by Step Solution
- Step 1: Write the proportion equation
134,405.70 : 201,608.55 = 92,933.70 : x - Step 2: Convert to fraction form
134,405.70/201,608.55 = 92,933.70/x - Step 3: Cross multiply
134,405.70x = 201,608.55 × 92,933.70 - Step 4: Simplify right side
134,405.70x = 18,736,228,503.14 - Step 5: Solve for x
x = 18,736,228,503.14/134,405.70 - Step 6: Final answer
x = 139,400.55
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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.