Finding the Fourth Proportional to 127,122.24, 190,684.68 and 38,376.48
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Solution
The fourth proportional to 127,122.24, 190,684.68 and 38,376.48 is: 57,565.12
Step by Step Solution
- Step 1: Write the proportion equation
127,122.24 : 190,684.68 = 38,376.48 : x - Step 2: Convert to fraction form
127,122.24/190,684.68 = 38,376.48/x - Step 3: Cross multiply
127,122.24x = 190,684.68 × 38,376.48 - Step 4: Simplify right side
127,122.24x = 7,317,806,808.33 - Step 5: Solve for x
x = 7,317,806,808.33/127,122.24 - Step 6: Final answer
x = 57,565.12
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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.