Finding the Fourth Proportional to 424,113.84, 585,284.40 and 233,135.28
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Solution
The fourth proportional to 424,113.84, 585,284.40 and 233,135.28 is: 321,730.70
Step by Step Solution
- Step 1: Write the proportion equation
424,113.84 : 585,284.40 = 233,135.28 : x - Step 2: Convert to fraction form
424,113.84/585,284.40 = 233,135.28/x - Step 3: Cross multiply
424,113.84x = 585,284.40 × 233,135.28 - Step 4: Simplify right side
424,113.84x = 136,450,442,473.63 - Step 5: Solve for x
x = 136,450,442,473.63/424,113.84 - Step 6: Final answer
x = 321,730.70
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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.