Finding the Fourth Proportional to 147,335.68, 203,323.26 and 80,267.68
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Solution
The fourth proportional to 147,335.68, 203,323.26 and 80,267.68 is: 110,769.41
Step by Step Solution
- Step 1: Write the proportion equation
147,335.68 : 203,323.26 = 80,267.68 : x - Step 2: Convert to fraction form
147,335.68/203,323.26 = 80,267.68/x - Step 3: Cross multiply
147,335.68x = 203,323.26 × 80,267.68 - Step 4: Simplify right side
147,335.68x = 16,320,286,370.24 - Step 5: Solve for x
x = 16,320,286,370.24/147,335.68 - Step 6: Final answer
x = 110,769.41
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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.