Finding the Fourth Proportional to 205,146.04, 307,717.68 and 110,420.86
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Solution
The fourth proportional to 205,146.04, 307,717.68 and 110,420.86 is: 165,630.55
Step by Step Solution
- Step 1: Write the proportion equation
205,146.04 : 307,717.68 = 110,420.86 : x - Step 2: Convert to fraction form
205,146.04/307,717.68 = 110,420.86/x - Step 3: Cross multiply
205,146.04x = 307,717.68 × 110,420.86 - Step 4: Simplify right side
205,146.04x = 33,978,450,862.80 - Step 5: Solve for x
x = 33,978,450,862.80/205,146.04 - Step 6: Final answer
x = 165,630.55
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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.