Finding the Fourth Proportional to 235,177.25, 354,334.80 and 212,713.79
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Solution
The fourth proportional to 235,177.25, 354,334.80 and 212,713.79 is: 320,489.75
Step by Step Solution
- Step 1: Write the proportion equation
235,177.25 : 354,334.80 = 212,713.79 : x - Step 2: Convert to fraction form
235,177.25/354,334.80 = 212,713.79/x - Step 3: Cross multiply
235,177.25x = 354,334.80 × 212,713.79 - Step 4: Simplify right side
235,177.25x = 75,371,896,465.22 - Step 5: Solve for x
x = 75,371,896,465.22/235,177.25 - Step 6: Final answer
x = 320,489.75
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.