Finding the Fourth Proportional to 213,212.35, 294,237.63 and 117,725.08
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Solution
The fourth proportional to 213,212.35, 294,237.63 and 117,725.08 is: 162,463.14
Step by Step Solution
- Step 1: Write the proportion equation
213,212.35 : 294,237.63 = 117,725.08 : x - Step 2: Convert to fraction form
213,212.35/294,237.63 = 117,725.08/x - Step 3: Cross multiply
213,212.35x = 294,237.63 × 117,725.08 - Step 4: Simplify right side
213,212.35x = 34,639,148,530.76 - Step 5: Solve for x
x = 34,639,148,530.76/213,212.35 - Step 6: Final answer
x = 162,463.14
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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.