Finding the Fourth Proportional to 389,266.18, 583,691.16 and 199,649.18
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Solution
The fourth proportional to 389,266.18, 583,691.16 and 199,649.18 is: 299,367.03
Step by Step Solution
- Step 1: Write the proportion equation
389,266.18 : 583,691.16 = 199,649.18 : x - Step 2: Convert to fraction form
389,266.18/583,691.16 = 199,649.18/x - Step 3: Cross multiply
389,266.18x = 583,691.16 × 199,649.18 - Step 4: Simplify right side
389,266.18x = 116,533,462,033.53 - Step 5: Solve for x
x = 116,533,462,033.53/389,266.18 - Step 6: Final answer
x = 299,367.03
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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.