Finding the Fourth Proportional to 213,398.17, 294,495.42 and 117,911.02
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Solution
The fourth proportional to 213,398.17, 294,495.42 and 117,911.02 is: 162,720.49
Step by Step Solution
- Step 1: Write the proportion equation
213,398.17 : 294,495.42 = 117,911.02 : x - Step 2: Convert to fraction form
213,398.17/294,495.42 = 117,911.02/x - Step 3: Cross multiply
213,398.17x = 294,495.42 × 117,911.02 - Step 4: Simplify right side
213,398.17x = 34,724,255,357.53 - Step 5: Solve for x
x = 34,724,255,357.53/213,398.17 - Step 6: Final answer
x = 162,720.49
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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.