Finding the Fourth Proportional to 168,869.54, 253,594.08 and 149,936.96
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Solution
The fourth proportional to 168,869.54, 253,594.08 and 149,936.96 is: 225,162.72
Step by Step Solution
- Step 1: Write the proportion equation
168,869.54 : 253,594.08 = 149,936.96 : x - Step 2: Convert to fraction form
168,869.54/253,594.08 = 149,936.96/x - Step 3: Cross multiply
168,869.54x = 253,594.08 × 149,936.96 - Step 4: Simplify right side
168,869.54x = 38,023,124,161.23 - Step 5: Solve for x
x = 38,023,124,161.23/168,869.54 - Step 6: Final answer
x = 225,162.72
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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.