Finding the Fourth Proportional to 437,430.75, 603,654.45 and 236,226.75
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Solution
The fourth proportional to 437,430.75, 603,654.45 and 236,226.75 is: 325,992.92
Step by Step Solution
- Step 1: Write the proportion equation
437,430.75 : 603,654.45 = 236,226.75 : x - Step 2: Convert to fraction form
437,430.75/603,654.45 = 236,226.75/x - Step 3: Cross multiply
437,430.75x = 603,654.45 × 236,226.75 - Step 4: Simplify right side
437,430.75x = 142,599,328,846.54 - Step 5: Solve for x
x = 142,599,328,846.54/437,430.75 - Step 6: Final answer
x = 325,992.92
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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.