Finding the Fourth Proportional to 190,283.76, 262,464.99 and 122,386.62
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Solution
The fourth proportional to 190,283.76, 262,464.99 and 122,386.62 is: 168,812.11
Step by Step Solution
- Step 1: Write the proportion equation
190,283.76 : 262,464.99 = 122,386.62 : x - Step 2: Convert to fraction form
190,283.76/262,464.99 = 122,386.62/x - Step 3: Cross multiply
190,283.76x = 262,464.99 × 122,386.62 - Step 4: Simplify right side
190,283.76x = 32,122,202,994.43 - Step 5: Solve for x
x = 32,122,202,994.43/190,283.76 - Step 6: Final answer
x = 168,812.11
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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.