Finding the Fourth Proportional to 84,204.80, 126,306.83 and 34,273.07
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Solution
The fourth proportional to 84,204.80, 126,306.83 and 34,273.07 is: 51,409.45
Step by Step Solution
- Step 1: Write the proportion equation
84,204.80 : 126,306.83 = 34,273.07 : x - Step 2: Convert to fraction form
84,204.80/126,306.83 = 34,273.07/x - Step 3: Cross multiply
84,204.80x = 126,306.83 × 34,273.07 - Step 4: Simplify right side
84,204.80x = 4,328,922,280.22 - Step 5: Solve for x
x = 4,328,922,280.22/84,204.80 - Step 6: Final answer
x = 51,409.45
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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.