Finding the Fourth Proportional to 906,170.49, 1,359,847.09 and 338,006.09
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Solution
The fourth proportional to 906,170.49, 1,359,847.09 and 338,006.09 is: 507,229.71
Step by Step Solution
- Step 1: Write the proportion equation
906,170.49 : 1,359,847.09 = 338,006.09 : x - Step 2: Convert to fraction form
906,170.49/1,359,847.09 = 338,006.09/x - Step 3: Cross multiply
906,170.49x = 1,359,847.09 × 338,006.09 - Step 4: Simplify right side
906,170.49x = 459,636,589,399.51 - Step 5: Solve for x
x = 459,636,589,399.51/906,170.49 - Step 6: Final answer
x = 507,229.71
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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.