Finding the Fourth Proportional to 150,627.36, 207,803.52 and 86,919.96
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Solution
The fourth proportional to 150,627.36, 207,803.52 and 86,919.96 is: 119,913.63
Step by Step Solution
- Step 1: Write the proportion equation
150,627.36 : 207,803.52 = 86,919.96 : x - Step 2: Convert to fraction form
150,627.36/207,803.52 = 86,919.96/x - Step 3: Cross multiply
150,627.36x = 207,803.52 × 86,919.96 - Step 4: Simplify right side
150,627.36x = 18,062,273,646.26 - Step 5: Solve for x
x = 18,062,273,646.26/150,627.36 - Step 6: Final answer
x = 119,913.63
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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.