Finding the Fourth Proportional to 103,426.34, 155,120.98 and 27,525.28
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Solution
The fourth proportional to 103,426.34, 155,120.98 and 27,525.28 is: 41,282.99
Step by Step Solution
- Step 1: Write the proportion equation
103,426.34 : 155,120.98 = 27,525.28 : x - Step 2: Convert to fraction form
103,426.34/155,120.98 = 27,525.28/x - Step 3: Cross multiply
103,426.34x = 155,120.98 × 27,525.28 - Step 4: Simplify right side
103,426.34x = 4,269,748,408.37 - Step 5: Solve for x
x = 4,269,748,408.37/103,426.34 - Step 6: Final answer
x = 41,282.99
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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.