Finding the Fourth Proportional to 306,740.76, 423,217.26 and 184,201.56
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Solution
The fourth proportional to 306,740.76, 423,217.26 and 184,201.56 is: 254,147.12
Step by Step Solution
- Step 1: Write the proportion equation
306,740.76 : 423,217.26 = 184,201.56 : x - Step 2: Convert to fraction form
306,740.76/423,217.26 = 184,201.56/x - Step 3: Cross multiply
306,740.76x = 423,217.26 × 184,201.56 - Step 4: Simplify right side
306,740.76x = 77,957,279,510.93 - Step 5: Solve for x
x = 77,957,279,510.93/306,740.76 - Step 6: Final answer
x = 254,147.12
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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.