Finding the Fourth Proportional to 246,495.78, 340,164.12 and 133,318.50
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Solution
The fourth proportional to 246,495.78, 340,164.12 and 133,318.50 is: 183,979.50
Step by Step Solution
- Step 1: Write the proportion equation
246,495.78 : 340,164.12 = 133,318.50 : x - Step 2: Convert to fraction form
246,495.78/340,164.12 = 133,318.50/x - Step 3: Cross multiply
246,495.78x = 340,164.12 × 133,318.50 - Step 4: Simplify right side
246,495.78x = 45,350,170,232.22 - Step 5: Solve for x
x = 45,350,170,232.22/246,495.78 - Step 6: Final answer
x = 183,979.50
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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.