Finding the Fourth Proportional to 259,727.61, 358,626.99 and 199,202.39
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Solution
The fourth proportional to 259,727.61, 358,626.99 and 199,202.39 is: 275,054.90
Step by Step Solution
- Step 1: Write the proportion equation
259,727.61 : 358,626.99 = 199,202.39 : x - Step 2: Convert to fraction form
259,727.61/358,626.99 = 199,202.39/x - Step 3: Cross multiply
259,727.61x = 358,626.99 × 199,202.39 - Step 4: Simplify right side
259,727.61x = 71,439,353,825.23 - Step 5: Solve for x
x = 71,439,353,825.23/259,727.61 - Step 6: Final answer
x = 275,054.90
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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.