Finding the Fourth Proportional to 187,963.01, 281,996.58 and 86,791.99
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Solution
The fourth proportional to 187,963.01, 281,996.58 and 86,791.99 is: 130,212.02
Step by Step Solution
- Step 1: Write the proportion equation
187,963.01 : 281,996.58 = 86,791.99 : x - Step 2: Convert to fraction form
187,963.01/281,996.58 = 86,791.99/x - Step 3: Cross multiply
187,963.01x = 281,996.58 × 86,791.99 - Step 4: Simplify right side
187,963.01x = 24,475,042,941.41 - Step 5: Solve for x
x = 24,475,042,941.41/187,963.01 - Step 6: Final answer
x = 130,212.02
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1.5x scale
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.