Finding the Fourth Proportional to 326,202.76, 489,228.18 and 89,564.44
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Solution
The fourth proportional to 326,202.76, 489,228.18 and 89,564.44 is: 134,325.80
Step by Step Solution
- Step 1: Write the proportion equation
326,202.76 : 489,228.18 = 89,564.44 : x - Step 2: Convert to fraction form
326,202.76/489,228.18 = 89,564.44/x - Step 3: Cross multiply
326,202.76x = 489,228.18 × 89,564.44 - Step 4: Simplify right side
326,202.76x = 43,817,447,973.92 - Step 5: Solve for x
x = 43,817,447,973.92/326,202.76 - Step 6: Final answer
x = 134,325.80
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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.