Finding the Fourth Proportional to 253,722.08, 350,135.52 and 140,542.40
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Solution
The fourth proportional to 253,722.08, 350,135.52 and 140,542.40 is: 193,947.99
Step by Step Solution
- Step 1: Write the proportion equation
253,722.08 : 350,135.52 = 140,542.40 : x - Step 2: Convert to fraction form
253,722.08/350,135.52 = 140,542.40/x - Step 3: Cross multiply
253,722.08x = 350,135.52 × 140,542.40 - Step 4: Simplify right side
253,722.08x = 49,208,886,306.05 - Step 5: Solve for x
x = 49,208,886,306.05/253,722.08 - Step 6: Final answer
x = 193,947.99
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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.