Finding the Fourth Proportional to 403,442.06, 556,727.99 and 222,119.55
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Solution
The fourth proportional to 403,442.06, 556,727.99 and 222,119.55 is: 306,512.84
Step by Step Solution
- Step 1: Write the proportion equation
403,442.06 : 556,727.99 = 222,119.55 : x - Step 2: Convert to fraction form
403,442.06/556,727.99 = 222,119.55/x - Step 3: Cross multiply
403,442.06x = 556,727.99 × 222,119.55 - Step 4: Simplify right side
403,442.06x = 123,660,169,500.61 - Step 5: Solve for x
x = 123,660,169,500.61/403,442.06 - Step 6: Final answer
x = 306,512.84
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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.