Finding the Fourth Proportional to 306,850.12, 459,747.06 and 239,516.44
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Solution
The fourth proportional to 306,850.12, 459,747.06 and 239,516.44 is: 358,862.43
Step by Step Solution
- Step 1: Write the proportion equation
306,850.12 : 459,747.06 = 239,516.44 : x - Step 2: Convert to fraction form
306,850.12/459,747.06 = 239,516.44/x - Step 3: Cross multiply
306,850.12x = 459,747.06 × 239,516.44 - Step 4: Simplify right side
306,850.12x = 110,116,979,111.67 - Step 5: Solve for x
x = 110,116,979,111.67/306,850.12 - Step 6: Final answer
x = 358,862.43
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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.