Finding the Fourth Proportional to 353,099.13, 487,119.42 and 235,258.09
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Solution
The fourth proportional to 353,099.13, 487,119.42 and 235,258.09 is: 324,551.31
Step by Step Solution
- Step 1: Write the proportion equation
353,099.13 : 487,119.42 = 235,258.09 : x - Step 2: Convert to fraction form
353,099.13/487,119.42 = 235,258.09/x - Step 3: Cross multiply
353,099.13x = 487,119.42 × 235,258.09 - Step 4: Simplify right side
353,099.13x = 114,598,784,351.11 - Step 5: Solve for x
x = 114,598,784,351.11/353,099.13 - Step 6: Final answer
x = 324,551.31
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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.