Finding the Fourth Proportional to 380,324.97, 524,856.51 and 208,250.19
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Solution
The fourth proportional to 380,324.97, 524,856.51 and 208,250.19 is: 287,389.67
Step by Step Solution
- Step 1: Write the proportion equation
380,324.97 : 524,856.51 = 208,250.19 : x - Step 2: Convert to fraction form
380,324.97/524,856.51 = 208,250.19/x - Step 3: Cross multiply
380,324.97x = 524,856.51 × 208,250.19 - Step 4: Simplify right side
380,324.97x = 109,301,467,930.24 - Step 5: Solve for x
x = 109,301,467,930.24/380,324.97 - Step 6: Final answer
x = 287,389.67
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.