Finding the Fourth Proportional to 299,825.32, 413,763.96 and 178,943.08
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Solution
The fourth proportional to 299,825.32, 413,763.96 and 178,943.08 is: 246,944.45
Step by Step Solution
- Step 1: Write the proportion equation
299,825.32 : 413,763.96 = 178,943.08 : x - Step 2: Convert to fraction form
299,825.32/413,763.96 = 178,943.08/x - Step 3: Cross multiply
299,825.32x = 413,763.96 × 178,943.08 - Step 4: Simplify right side
299,825.32x = 74,040,197,395.40 - Step 5: Solve for x
x = 74,040,197,395.40/299,825.32 - Step 6: Final answer
x = 246,944.45
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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.