Finding the Fourth Proportional to 149,515.80, 224,273.70 and 60,739.80
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Solution
The fourth proportional to 149,515.80, 224,273.70 and 60,739.80 is: 91,109.70
Step by Step Solution
- Step 1: Write the proportion equation
149,515.80 : 224,273.70 = 60,739.80 : x - Step 2: Convert to fraction form
149,515.80/224,273.70 = 60,739.80/x - Step 3: Cross multiply
149,515.80x = 224,273.70 × 60,739.80 - Step 4: Simplify right side
149,515.80x = 13,622,339,683.26 - Step 5: Solve for x
x = 13,622,339,683.26/149,515.80 - Step 6: Final answer
x = 91,109.70
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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.