Finding the Fourth Proportional to 283,366.70, 390,943.33 and 160,788.09
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Solution
The fourth proportional to 283,366.70, 390,943.33 and 160,788.09 is: 221,829.28
Step by Step Solution
- Step 1: Write the proportion equation
283,366.70 : 390,943.33 = 160,788.09 : x - Step 2: Convert to fraction form
283,366.70/390,943.33 = 160,788.09/x - Step 3: Cross multiply
283,366.70x = 390,943.33 × 160,788.09 - Step 4: Simplify right side
283,366.70x = 62,859,030,926.97 - Step 5: Solve for x
x = 62,859,030,926.97/283,366.70 - Step 6: Final answer
x = 221,829.28
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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.