Finding the Fourth Proportional to 389,649.28, 583,957.23 and 200,101.99
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Solution
The fourth proportional to 389,649.28, 583,957.23 and 200,101.99 is: 299,887.64
Step by Step Solution
- Step 1: Write the proportion equation
389,649.28 : 583,957.23 = 200,101.99 : x - Step 2: Convert to fraction form
389,649.28/583,957.23 = 200,101.99/x - Step 3: Cross multiply
389,649.28x = 583,957.23 × 200,101.99 - Step 4: Simplify right side
389,649.28x = 116,851,003,088.38 - Step 5: Solve for x
x = 116,851,003,088.38/389,649.28 - Step 6: Final answer
x = 299,887.64
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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.