Finding the Fourth Proportional to 224,735.75, 310,136.39 and 122,762.62
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Solution
The fourth proportional to 224,735.75, 310,136.39 and 122,762.62 is: 169,412.99
Step by Step Solution
- Step 1: Write the proportion equation
224,735.75 : 310,136.39 = 122,762.62 : x - Step 2: Convert to fraction form
224,735.75/310,136.39 = 122,762.62/x - Step 3: Cross multiply
224,735.75x = 310,136.39 × 122,762.62 - Step 4: Simplify right side
224,735.75x = 38,073,155,793.74 - Step 5: Solve for x
x = 38,073,155,793.74/224,735.75 - Step 6: Final answer
x = 169,412.99
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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.