Finding the Fourth Proportional to 215,673.41, 297,630.49 and 125,083.08
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Solution
The fourth proportional to 215,673.41, 297,630.49 and 125,083.08 is: 172,615.34
Step by Step Solution
- Step 1: Write the proportion equation
215,673.41 : 297,630.49 = 125,083.08 : x - Step 2: Convert to fraction form
215,673.41/297,630.49 = 125,083.08/x - Step 3: Cross multiply
215,673.41x = 297,630.49 × 125,083.08 - Step 4: Simplify right side
215,673.41x = 37,228,538,391.11 - Step 5: Solve for x
x = 37,228,538,391.11/215,673.41 - Step 6: Final answer
x = 172,615.34
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1.5x scale
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.