Finding the Fourth Proportional to 194,683.78, 291,900.12 and 76,367.08
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Solution
The fourth proportional to 194,683.78, 291,900.12 and 76,367.08 is: 114,501.37
Step by Step Solution
- Step 1: Write the proportion equation
194,683.78 : 291,900.12 = 76,367.08 : x - Step 2: Convert to fraction form
194,683.78/291,900.12 = 76,367.08/x - Step 3: Cross multiply
194,683.78x = 291,900.12 × 76,367.08 - Step 4: Simplify right side
194,683.78x = 22,291,559,816.05 - Step 5: Solve for x
x = 22,291,559,816.05/194,683.78 - Step 6: Final answer
x = 114,501.37
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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.