Finding the Fourth Proportional to 340,399.58, 469,680.26 and 197,151.08
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Solution
The fourth proportional to 340,399.58, 469,680.26 and 197,151.08 is: 272,027.28
Step by Step Solution
- Step 1: Write the proportion equation
340,399.58 : 469,680.26 = 197,151.08 : x - Step 2: Convert to fraction form
340,399.58/469,680.26 = 197,151.08/x - Step 3: Cross multiply
340,399.58x = 469,680.26 × 197,151.08 - Step 4: Simplify right side
340,399.58x = 92,597,970,513.68 - Step 5: Solve for x
x = 92,597,970,513.68/340,399.58 - Step 6: Final answer
x = 272,027.28
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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.