Finding the Fourth Proportional to 631,713.08, 947,465.78 and 226,821.44
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Solution
The fourth proportional to 631,713.08, 947,465.78 and 226,821.44 is: 340,194.87
Step by Step Solution
- Step 1: Write the proportion equation
631,713.08 : 947,465.78 = 226,821.44 : x - Step 2: Convert to fraction form
631,713.08/947,465.78 = 226,821.44/x - Step 3: Cross multiply
631,713.08x = 947,465.78 × 226,821.44 - Step 4: Simplify right side
631,713.08x = 214,905,548,400.05 - Step 5: Solve for x
x = 214,905,548,400.05/631,713.08 - Step 6: Final answer
x = 340,194.87
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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.