Finding the Fourth Proportional to 270,621.70, 373,448.73 and 149,768.08
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Solution
The fourth proportional to 270,621.70, 373,448.73 and 149,768.08 is: 206,674.85
Step by Step Solution
- Step 1: Write the proportion equation
270,621.70 : 373,448.73 = 149,768.08 : x - Step 2: Convert to fraction form
270,621.70/373,448.73 = 149,768.08/x - Step 3: Cross multiply
270,621.70x = 373,448.73 × 149,768.08 - Step 4: Simplify right side
270,621.70x = 55,930,699,270.54 - Step 5: Solve for x
x = 55,930,699,270.54/270,621.70 - Step 6: Final answer
x = 206,674.85
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.