Finding the Fourth Proportional to 305,512.21, 458,263.27 and 125,561.17
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Solution
The fourth proportional to 305,512.21, 458,263.27 and 125,561.17 is: 188,339.68
Step by Step Solution
- Step 1: Write the proportion equation
305,512.21 : 458,263.27 = 125,561.17 : x - Step 2: Convert to fraction form
305,512.21/458,263.27 = 125,561.17/x - Step 3: Cross multiply
305,512.21x = 458,263.27 × 125,561.17 - Step 4: Simplify right side
305,512.21x = 57,540,072,349.23 - Step 5: Solve for x
x = 57,540,072,349.23/305,512.21 - Step 6: Final answer
x = 188,339.68
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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.