Finding the Fourth Proportional to 240,617.75, 360,926.63 and 74,405.75
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Solution
The fourth proportional to 240,617.75, 360,926.63 and 74,405.75 is: 111,608.63
Step by Step Solution
- Step 1: Write the proportion equation
240,617.75 : 360,926.63 = 74,405.75 : x - Step 2: Convert to fraction form
240,617.75/360,926.63 = 74,405.75/x - Step 3: Cross multiply
240,617.75x = 360,926.63 × 74,405.75 - Step 4: Simplify right side
240,617.75x = 26,855,016,600.12 - Step 5: Solve for x
x = 26,855,016,600.12/240,617.75 - Step 6: Final answer
x = 111,608.63
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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.