Finding the Fourth Proportional to 213,278.70, 294,312.78 and 132,703.68
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Solution
The fourth proportional to 213,278.70, 294,312.78 and 132,703.68 is: 183,123.72
Step by Step Solution
- Step 1: Write the proportion equation
213,278.70 : 294,312.78 = 132,703.68 : x - Step 2: Convert to fraction form
213,278.70/294,312.78 = 132,703.68/x - Step 3: Cross multiply
213,278.70x = 294,312.78 × 132,703.68 - Step 4: Simplify right side
213,278.70x = 39,056,388,977.03 - Step 5: Solve for x
x = 39,056,388,977.03/213,278.70 - Step 6: Final answer
x = 183,123.72
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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.