Finding the Fourth Proportional to 162,288.68, 223,690.74 and 108,554.36
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Solution
The fourth proportional to 162,288.68, 223,690.74 and 108,554.36 is: 149,625.99
Step by Step Solution
- Step 1: Write the proportion equation
162,288.68 : 223,690.74 = 108,554.36 : x - Step 2: Convert to fraction form
162,288.68/223,690.74 = 108,554.36/x - Step 3: Cross multiply
162,288.68x = 223,690.74 × 108,554.36 - Step 4: Simplify right side
162,288.68x = 24,282,605,118.63 - Step 5: Solve for x
x = 24,282,605,118.63/162,288.68 - Step 6: Final answer
x = 149,625.99
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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.