Finding the Fourth Proportional to 119,291.16, 178,975.62 and 60,122.28
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Solution
The fourth proportional to 119,291.16, 178,975.62 and 60,122.28 is: 90,203.02
Step by Step Solution
- Step 1: Write the proportion equation
119,291.16 : 178,975.62 = 60,122.28 : x - Step 2: Convert to fraction form
119,291.16/178,975.62 = 60,122.28/x - Step 3: Cross multiply
119,291.16x = 178,975.62 × 60,122.28 - Step 4: Simplify right side
119,291.16x = 10,760,422,338.81 - Step 5: Solve for x
x = 10,760,422,338.81/119,291.16 - Step 6: Final answer
x = 90,203.02
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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.