Finding the Fourth Proportional to 307,512.21, 424,365.68 and 171,546.05
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Solution
The fourth proportional to 307,512.21, 424,365.68 and 171,546.05 is: 236,732.90
Step by Step Solution
- Step 1: Write the proportion equation
307,512.21 : 424,365.68 = 171,546.05 : x - Step 2: Convert to fraction form
307,512.21/424,365.68 = 171,546.05/x - Step 3: Cross multiply
307,512.21x = 424,365.68 × 171,546.05 - Step 4: Simplify right side
307,512.21x = 72,798,256,925.63 - Step 5: Solve for x
x = 72,798,256,925.63/307,512.21 - Step 6: Final answer
x = 236,732.90
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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.