Finding the Fourth Proportional to 150,808.84, 226,135.90 and 79,769.81
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Solution
The fourth proportional to 150,808.84, 226,135.90 and 79,769.81 is: 119,613.80
Step by Step Solution
- Step 1: Write the proportion equation
150,808.84 : 226,135.90 = 79,769.81 : x - Step 2: Convert to fraction form
150,808.84/226,135.90 = 79,769.81/x - Step 3: Cross multiply
150,808.84x = 226,135.90 × 79,769.81 - Step 4: Simplify right side
150,808.84x = 18,038,818,442.23 - Step 5: Solve for x
x = 18,038,818,442.23/150,808.84 - Step 6: Final answer
x = 119,613.80
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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.