Finding the Fourth Proportional to 486,119.28, 729,434.94 and 249,461.97
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Solution
The fourth proportional to 486,119.28, 729,434.94 and 249,461.97 is: 374,324.34
Step by Step Solution
- Step 1: Write the proportion equation
486,119.28 : 729,434.94 = 249,461.97 : x - Step 2: Convert to fraction form
486,119.28/729,434.94 = 249,461.97/x - Step 3: Cross multiply
486,119.28x = 729,434.94 × 249,461.97 - Step 4: Simplify right side
486,119.28x = 181,966,277,119.23 - Step 5: Solve for x
x = 181,966,277,119.23/486,119.28 - Step 6: Final answer
x = 374,324.34
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1.5x scale
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.