Finding the Fourth Proportional to 215,289.36, 297,105.84 and 124,636.95
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Solution
The fourth proportional to 215,289.36, 297,105.84 and 124,636.95 is: 172,002.77
Step by Step Solution
- Step 1: Write the proportion equation
215,289.36 : 297,105.84 = 124,636.95 : x - Step 2: Convert to fraction form
215,289.36/297,105.84 = 124,636.95/x - Step 3: Cross multiply
215,289.36x = 297,105.84 × 124,636.95 - Step 4: Simplify right side
215,289.36x = 37,030,365,724.79 - Step 5: Solve for x
x = 37,030,365,724.79/215,289.36 - Step 6: Final answer
x = 172,002.77
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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.