Finding the Fourth Proportional to 106,783.20, 160,137.10 and 46,840.79
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Solution
The fourth proportional to 106,783.20, 160,137.10 and 46,840.79 is: 70,244.65
Step by Step Solution
- Step 1: Write the proportion equation
106,783.20 : 160,137.10 = 46,840.79 : x - Step 2: Convert to fraction form
106,783.20/160,137.10 = 46,840.79/x - Step 3: Cross multiply
106,783.20x = 160,137.10 × 46,840.79 - Step 4: Simplify right side
106,783.20x = 7,500,948,272.31 - Step 5: Solve for x
x = 7,500,948,272.31/106,783.20 - Step 6: Final answer
x = 70,244.65
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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.