Finding the Fourth Proportional to 147,430.92, 203,234.19 and 115,544.46
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Solution
The fourth proportional to 147,430.92, 203,234.19 and 115,544.46 is: 159,278.56
Step by Step Solution
- Step 1: Write the proportion equation
147,430.92 : 203,234.19 = 115,544.46 : x - Step 2: Convert to fraction form
147,430.92/203,234.19 = 115,544.46/x - Step 3: Cross multiply
147,430.92x = 203,234.19 × 115,544.46 - Step 4: Simplify right side
147,430.92x = 23,482,584,737.09 - Step 5: Solve for x
x = 23,482,584,737.09/147,430.92 - Step 6: Final answer
x = 159,278.56
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1.5x scale
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.