Finding the Fourth Proportional to 326,193.54, 489,285.99 and 89,536.26
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Solution
The fourth proportional to 326,193.54, 489,285.99 and 89,536.26 is: 134,303.20
Step by Step Solution
- Step 1: Write the proportion equation
326,193.54 : 489,285.99 = 89,536.26 : x - Step 2: Convert to fraction form
326,193.54/489,285.99 = 89,536.26/x - Step 3: Cross multiply
326,193.54x = 489,285.99 × 89,536.26 - Step 4: Simplify right side
326,193.54x = 43,808,837,615.00 - Step 5: Solve for x
x = 43,808,837,615.00/326,193.54 - Step 6: Final answer
x = 134,303.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.