Finding the Fourth Proportional to 76,803.18, 115,204.50 and 34,698.03
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Solution
The fourth proportional to 76,803.18, 115,204.50 and 34,698.03 is: 52,046.92
Step by Step Solution
- Step 1: Write the proportion equation
76,803.18 : 115,204.50 = 34,698.03 : x - Step 2: Convert to fraction form
76,803.18/115,204.50 = 34,698.03/x - Step 3: Cross multiply
76,803.18x = 115,204.50 × 34,698.03 - Step 4: Simplify right side
76,803.18x = 3,997,369,197.14 - Step 5: Solve for x
x = 3,997,369,197.14/76,803.18 - Step 6: Final answer
x = 52,046.92
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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.