Finding the Fourth Proportional to 187,324.88, 280,913.35 and 74,984.15
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Solution
The fourth proportional to 187,324.88, 280,913.35 and 74,984.15 is: 112,446.62
Step by Step Solution
- Step 1: Write the proportion equation
187,324.88 : 280,913.35 = 74,984.15 : x - Step 2: Convert to fraction form
187,324.88/280,913.35 = 74,984.15/x - Step 3: Cross multiply
187,324.88x = 280,913.35 × 74,984.15 - Step 4: Simplify right side
187,324.88x = 21,064,049,288.23 - Step 5: Solve for x
x = 21,064,049,288.23/187,324.88 - Step 6: Final answer
x = 112,446.62
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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.