Finding the Fourth Proportional to 188,373.14, 260,023.14 and 124,731.44
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Solution
The fourth proportional to 188,373.14, 260,023.14 and 124,731.44 is: 172,174.55
Step by Step Solution
- Step 1: Write the proportion equation
188,373.14 : 260,023.14 = 124,731.44 : x - Step 2: Convert to fraction form
188,373.14/260,023.14 = 124,731.44/x - Step 3: Cross multiply
188,373.14x = 260,023.14 × 124,731.44 - Step 4: Simplify right side
188,373.14x = 32,433,060,685.52 - Step 5: Solve for x
x = 32,433,060,685.52/188,373.14 - Step 6: Final answer
x = 172,174.55
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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.