Finding the Fourth Proportional to 168,869.43, 253,594.23 and 149,936.70
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Solution
The fourth proportional to 168,869.43, 253,594.23 and 149,936.70 is: 225,162.61
Step by Step Solution
- Step 1: Write the proportion equation
168,869.43 : 253,594.23 = 149,936.70 : x - Step 2: Convert to fraction form
168,869.43/253,594.23 = 149,936.70/x - Step 3: Cross multiply
168,869.43x = 253,594.23 × 149,936.70 - Step 4: Simplify right side
168,869.43x = 38,023,081,985.24 - Step 5: Solve for x
x = 38,023,081,985.24/168,869.43 - Step 6: Final answer
x = 225,162.61
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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.