Finding the Fourth Proportional to 259,507.68, 358,059.42 and 157,530.60
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Solution
The fourth proportional to 259,507.68, 358,059.42 and 157,530.60 is: 217,355.09
Step by Step Solution
- Step 1: Write the proportion equation
259,507.68 : 358,059.42 = 157,530.60 : x - Step 2: Convert to fraction form
259,507.68/358,059.42 = 157,530.60/x - Step 3: Cross multiply
259,507.68x = 358,059.42 × 157,530.60 - Step 4: Simplify right side
259,507.68x = 56,405,315,268.25 - Step 5: Solve for x
x = 56,405,315,268.25/259,507.68 - Step 6: Final answer
x = 217,355.09
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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.