Finding the Fourth Proportional to 188,465.80, 282,698.70 and 83,489.80
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Solution
The fourth proportional to 188,465.80, 282,698.70 and 83,489.80 is: 125,234.70
Step by Step Solution
- Step 1: Write the proportion equation
188,465.80 : 282,698.70 = 83,489.80 : x - Step 2: Convert to fraction form
188,465.80/282,698.70 = 83,489.80/x - Step 3: Cross multiply
188,465.80x = 282,698.70 × 83,489.80 - Step 4: Simplify right side
188,465.80x = 23,602,457,923.26 - Step 5: Solve for x
x = 23,602,457,923.26/188,465.80 - Step 6: Final answer
x = 125,234.70
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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.