Finding the Fourth Proportional to 272,850.19, 409,272.40 and 106,636.75
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Solution
The fourth proportional to 272,850.19, 409,272.40 and 106,636.75 is: 159,954.00
Step by Step Solution
- Step 1: Write the proportion equation
272,850.19 : 409,272.40 = 106,636.75 : x - Step 2: Convert to fraction form
272,850.19/409,272.40 = 106,636.75/x - Step 3: Cross multiply
272,850.19x = 409,272.40 × 106,636.75 - Step 4: Simplify right side
272,850.19x = 43,643,478,600.70 - Step 5: Solve for x
x = 43,643,478,600.70/272,850.19 - Step 6: Final answer
x = 159,954.00
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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.