Finding the Fourth Proportional to 213,395.48, 294,460.68 and 117,896.48
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Solution
The fourth proportional to 213,395.48, 294,460.68 and 117,896.48 is: 162,683.28
Step by Step Solution
- Step 1: Write the proportion equation
213,395.48 : 294,460.68 = 117,896.48 : x - Step 2: Convert to fraction form
213,395.48/294,460.68 = 117,896.48/x - Step 3: Cross multiply
213,395.48x = 294,460.68 × 117,896.48 - Step 4: Simplify right side
213,395.48x = 34,715,877,670.41 - Step 5: Solve for x
x = 34,715,877,670.41/213,395.48 - Step 6: Final answer
x = 162,683.28
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.