Finding the Fourth Proportional to 612,306.23, 918,462.26 and 185,845.75
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Solution
The fourth proportional to 612,306.23, 918,462.26 and 185,845.75 is: 278,769.51
Step by Step Solution
- Step 1: Write the proportion equation
612,306.23 : 918,462.26 = 185,845.75 : x - Step 2: Convert to fraction form
612,306.23/918,462.26 = 185,845.75/x - Step 3: Cross multiply
612,306.23x = 918,462.26 × 185,845.75 - Step 4: Simplify right side
612,306.23x = 170,692,305,724.85 - Step 5: Solve for x
x = 170,692,305,724.85/612,306.23 - Step 6: Final answer
x = 278,769.51
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.