Finding the Fourth Proportional to 306,706.60, 423,244.74 and 172,544.68
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Solution
The fourth proportional to 306,706.60, 423,244.74 and 172,544.68 is: 238,105.83
Step by Step Solution
- Step 1: Write the proportion equation
306,706.60 : 423,244.74 = 172,544.68 : x - Step 2: Convert to fraction form
306,706.60/423,244.74 = 172,544.68/x - Step 3: Cross multiply
306,706.60x = 423,244.74 × 172,544.68 - Step 4: Simplify right side
306,706.60x = 73,028,628,224.98 - Step 5: Solve for x
x = 73,028,628,224.98/306,706.60 - Step 6: Final answer
x = 238,105.83
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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.