Finding the Fourth Proportional to 185,769.23, 256,351.97 and 100,886.09
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Solution
The fourth proportional to 185,769.23, 256,351.97 and 100,886.09 is: 139,217.61
Step by Step Solution
- Step 1: Write the proportion equation
185,769.23 : 256,351.97 = 100,886.09 : x - Step 2: Convert to fraction form
185,769.23/256,351.97 = 100,886.09/x - Step 3: Cross multiply
185,769.23x = 256,351.97 × 100,886.09 - Step 4: Simplify right side
185,769.23x = 25,862,346,887.55 - Step 5: Solve for x
x = 25,862,346,887.55/185,769.23 - Step 6: Final answer
x = 139,217.61
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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.