Finding the Fourth Proportional to 188,455.80, 282,683.70 and 83,479.80
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Solution
The fourth proportional to 188,455.80, 282,683.70 and 83,479.80 is: 125,219.70
Step by Step Solution
- Step 1: Write the proportion equation
188,455.80 : 282,683.70 = 83,479.80 : x - Step 2: Convert to fraction form
188,455.80/282,683.70 = 83,479.80/x - Step 3: Cross multiply
188,455.80x = 282,683.70 × 83,479.80 - Step 4: Simplify right side
188,455.80x = 23,598,378,739.26 - Step 5: Solve for x
x = 23,598,378,739.26/188,455.80 - Step 6: Final answer
x = 125,219.70
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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.