Finding the Fourth Proportional to 125,623.20, 188,434.80 and 125,623.20
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Solution
The fourth proportional to 125,623.20, 188,434.80 and 125,623.20 is: 188,434.80
Step by Step Solution
- Step 1: Write the proportion equation
125,623.20 : 188,434.80 = 125,623.20 : x - Step 2: Convert to fraction form
125,623.20/188,434.80 = 125,623.20/x - Step 3: Cross multiply
125,623.20x = 188,434.80 × 125,623.20 - Step 4: Simplify right side
125,623.20x = 23,671,782,567.36 - Step 5: Solve for x
x = 23,671,782,567.36/125,623.20 - Step 6: Final answer
x = 188,434.80
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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.