Finding the Fourth Proportional to 283,163.73, 390,677.99 and 160,635.95
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Solution
The fourth proportional to 283,163.73, 390,677.99 and 160,635.95 is: 221,627.71
Step by Step Solution
- Step 1: Write the proportion equation
283,163.73 : 390,677.99 = 160,635.95 : x - Step 2: Convert to fraction form
283,163.73/390,677.99 = 160,635.95/x - Step 3: Cross multiply
283,163.73x = 390,677.99 × 160,635.95 - Step 4: Simplify right side
283,163.73x = 62,756,930,067.74 - Step 5: Solve for x
x = 62,756,930,067.74/283,163.73 - Step 6: Final answer
x = 221,627.71
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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.