Finding the Fourth Proportional to 361,130.54, 541,583.48 and 121,197.74
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Solution
The fourth proportional to 361,130.54, 541,583.48 and 121,197.74 is: 181,758.91
Step by Step Solution
- Step 1: Write the proportion equation
361,130.54 : 541,583.48 = 121,197.74 : x - Step 2: Convert to fraction form
361,130.54/541,583.48 = 121,197.74/x - Step 3: Cross multiply
361,130.54x = 541,583.48 × 121,197.74 - Step 4: Simplify right side
361,130.54x = 65,638,691,392.41 - Step 5: Solve for x
x = 65,638,691,392.41/361,130.54 - Step 6: Final answer
x = 181,758.91
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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.