Finding the Fourth Proportional to 422,457.46, 633,636.88 and 169,727.74
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Solution
The fourth proportional to 422,457.46, 633,636.88 and 169,727.74 is: 254,571.80
Step by Step Solution
- Step 1: Write the proportion equation
422,457.46 : 633,636.88 = 169,727.74 : x - Step 2: Convert to fraction form
422,457.46/633,636.88 = 169,727.74/x - Step 3: Cross multiply
422,457.46x = 633,636.88 × 169,727.74 - Step 4: Simplify right side
422,457.46x = 107,545,755,623.05 - Step 5: Solve for x
x = 107,545,755,623.05/422,457.46 - Step 6: Final answer
x = 254,571.80
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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.