Finding the Fourth Proportional to 240,102.68, 360,153.66 and 71,618.60
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Solution
The fourth proportional to 240,102.68, 360,153.66 and 71,618.60 is: 107,427.79
Step by Step Solution
- Step 1: Write the proportion equation
240,102.68 : 360,153.66 = 71,618.60 : x - Step 2: Convert to fraction form
240,102.68/360,153.66 = 71,618.60/x - Step 3: Cross multiply
240,102.68x = 360,153.66 × 71,618.60 - Step 4: Simplify right side
240,102.68x = 25,793,700,914.08 - Step 5: Solve for x
x = 25,793,700,914.08/240,102.68 - Step 6: Final answer
x = 107,427.79
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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.