Finding the Fourth Proportional to 299,862.10, 449,516.36 and 149,971.96
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Solution
The fourth proportional to 299,862.10, 449,516.36 and 149,971.96 is: 224,819.51
Step by Step Solution
- Step 1: Write the proportion equation
299,862.10 : 449,516.36 = 149,971.96 : x - Step 2: Convert to fraction form
299,862.10/449,516.36 = 149,971.96/x - Step 3: Cross multiply
299,862.10x = 449,516.36 × 149,971.96 - Step 4: Simplify right side
299,862.10x = 67,414,849,561.27 - Step 5: Solve for x
x = 67,414,849,561.27/299,862.10 - Step 6: Final answer
x = 224,819.51
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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.