Finding the Fourth Proportional to 326,848.30, 490,300.71 and 90,190.99
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Solution
The fourth proportional to 326,848.30, 490,300.71 and 90,190.99 is: 135,294.28
Step by Step Solution
- Step 1: Write the proportion equation
326,848.30 : 490,300.71 = 90,190.99 : x - Step 2: Convert to fraction form
326,848.30/490,300.71 = 90,190.99/x - Step 3: Cross multiply
326,848.30x = 490,300.71 × 90,190.99 - Step 4: Simplify right side
326,848.30x = 44,220,706,432.60 - Step 5: Solve for x
x = 44,220,706,432.60/326,848.30 - Step 6: Final answer
x = 135,294.28
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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.