Finding the Fourth Proportional to 187,263.03, 280,908.22 and 54,143.99
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Solution
The fourth proportional to 187,263.03, 280,908.22 and 54,143.99 is: 81,219.94
Step by Step Solution
- Step 1: Write the proportion equation
187,263.03 : 280,908.22 = 54,143.99 : x - Step 2: Convert to fraction form
187,263.03/280,908.22 = 54,143.99/x - Step 3: Cross multiply
187,263.03x = 280,908.22 × 54,143.99 - Step 4: Simplify right side
187,263.03x = 15,209,491,854.60 - Step 5: Solve for x
x = 15,209,491,854.60/187,263.03 - Step 6: Final answer
x = 81,219.94
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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.