Finding the Fourth Proportional to 228,620.13, 342,941.14 and 110,390.91
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Solution
The fourth proportional to 228,620.13, 342,941.14 and 110,390.91 is: 165,591.65
Step by Step Solution
- Step 1: Write the proportion equation
228,620.13 : 342,941.14 = 110,390.91 : x - Step 2: Convert to fraction form
228,620.13/342,941.14 = 110,390.91/x - Step 3: Cross multiply
228,620.13x = 342,941.14 × 110,390.91 - Step 4: Simplify right side
228,620.13x = 37,857,585,945.06 - Step 5: Solve for x
x = 37,857,585,945.06/228,620.13 - Step 6: Final answer
x = 165,591.65
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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.