Finding the Fourth Proportional to 215,940.08, 297,984.48 and 125,289.02
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Solution
The fourth proportional to 215,940.08, 297,984.48 and 125,289.02 is: 172,891.40
Step by Step Solution
- Step 1: Write the proportion equation
215,940.08 : 297,984.48 = 125,289.02 : x - Step 2: Convert to fraction form
215,940.08/297,984.48 = 125,289.02/x - Step 3: Cross multiply
215,940.08x = 297,984.48 × 125,289.02 - Step 4: Simplify right side
215,940.08x = 37,334,183,474.41 - Step 5: Solve for x
x = 37,334,183,474.41/215,940.08 - Step 6: Final answer
x = 172,891.40
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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.