Finding the Fourth Proportional to 159,734.10, 239,309.55 and 97,331.70
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Solution
The fourth proportional to 159,734.10, 239,309.55 and 97,331.70 is: 145,819.87
Step by Step Solution
- Step 1: Write the proportion equation
159,734.10 : 239,309.55 = 97,331.70 : x - Step 2: Convert to fraction form
159,734.10/239,309.55 = 97,331.70/x - Step 3: Cross multiply
159,734.10x = 239,309.55 × 97,331.70 - Step 4: Simplify right side
159,734.10x = 23,292,405,327.74 - Step 5: Solve for x
x = 23,292,405,327.74/159,734.10 - Step 6: Final answer
x = 145,819.87
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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.