Finding the Fourth Proportional to 543,118.74, 814,749.70 and 201,515.70
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Solution
The fourth proportional to 543,118.74, 814,749.70 and 201,515.70 is: 302,300.11
Step by Step Solution
- Step 1: Write the proportion equation
543,118.74 : 814,749.70 = 201,515.70 : x - Step 2: Convert to fraction form
543,118.74/814,749.70 = 201,515.70/x - Step 3: Cross multiply
543,118.74x = 814,749.70 × 201,515.70 - Step 4: Simplify right side
543,118.74x = 164,184,856,120.29 - Step 5: Solve for x
x = 164,184,856,120.29/543,118.74 - Step 6: Final answer
x = 302,300.11
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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.