Finding the Fourth Proportional to 354,926.24, 489,808.91 and 201,986.37
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Solution
The fourth proportional to 354,926.24, 489,808.91 and 201,986.37 is: 278,747.28
Step by Step Solution
- Step 1: Write the proportion equation
354,926.24 : 489,808.91 = 201,986.37 : x - Step 2: Convert to fraction form
354,926.24/489,808.91 = 201,986.37/x - Step 3: Cross multiply
354,926.24x = 489,808.91 × 201,986.37 - Step 4: Simplify right side
354,926.24x = 98,934,724,229.52 - Step 5: Solve for x
x = 98,934,724,229.52/354,926.24 - Step 6: Final answer
x = 278,747.28
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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.