Finding the Fourth Proportional to 906,220.71, 1,359,243.18 and 275,139.99
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Solution
The fourth proportional to 906,220.71, 1,359,243.18 and 275,139.99 is: 412,683.30
Step by Step Solution
- Step 1: Write the proportion equation
906,220.71 : 1,359,243.18 = 275,139.99 : x - Step 2: Convert to fraction form
906,220.71/1,359,243.18 = 275,139.99/x - Step 3: Cross multiply
906,220.71x = 1,359,243.18 × 275,139.99 - Step 4: Simplify right side
906,220.71x = 373,982,154,952.77 - Step 5: Solve for x
x = 373,982,154,952.77/906,220.71 - Step 6: Final answer
x = 412,683.30
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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.