Finding the Fourth Proportional to 422,317.24, 633,470.79 and 169,593.19
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Solution
The fourth proportional to 422,317.24, 633,470.79 and 169,593.19 is: 254,387.75
Step by Step Solution
- Step 1: Write the proportion equation
422,317.24 : 633,470.79 = 169,593.19 : x - Step 2: Convert to fraction form
422,317.24/633,470.79 = 169,593.19/x - Step 3: Cross multiply
422,317.24x = 633,470.79 × 169,593.19 - Step 4: Simplify right side
422,317.24x = 107,432,332,047.92 - Step 5: Solve for x
x = 107,432,332,047.92/422,317.24 - Step 6: Final answer
x = 254,387.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.