Finding the Fourth Proportional to 122,674.80, 183,882.60 and 69,970.80
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Solution
The fourth proportional to 122,674.80, 183,882.60 and 69,970.80 is: 104,882.28
Step by Step Solution
- Step 1: Write the proportion equation
122,674.80 : 183,882.60 = 69,970.80 : x - Step 2: Convert to fraction form
122,674.80/183,882.60 = 69,970.80/x - Step 3: Cross multiply
122,674.80x = 183,882.60 × 69,970.80 - Step 4: Simplify right side
122,674.80x = 12,866,412,628.08 - Step 5: Solve for x
x = 12,866,412,628.08/122,674.80 - Step 6: Final answer
x = 104,882.28
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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.