Finding the Fourth Proportional to 230,769.68, 318,461.64 and 130,166.96
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Solution
The fourth proportional to 230,769.68, 318,461.64 and 130,166.96 is: 179,630.11
Step by Step Solution
- Step 1: Write the proportion equation
230,769.68 : 318,461.64 = 130,166.96 : x - Step 2: Convert to fraction form
230,769.68/318,461.64 = 130,166.96/x - Step 3: Cross multiply
230,769.68x = 318,461.64 × 130,166.96 - Step 4: Simplify right side
230,769.68x = 41,453,183,555.41 - Step 5: Solve for x
x = 41,453,183,555.41/230,769.68 - Step 6: Final answer
x = 179,630.11
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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.