Finding the Fourth Proportional to 380,630.76, 571,300.38 and 193,782.12
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Solution
The fourth proportional to 380,630.76, 571,300.38 and 193,782.12 is: 290,853.53
Step by Step Solution
- Step 1: Write the proportion equation
380,630.76 : 571,300.38 = 193,782.12 : x - Step 2: Convert to fraction form
380,630.76/571,300.38 = 193,782.12/x - Step 3: Cross multiply
380,630.76x = 571,300.38 × 193,782.12 - Step 4: Simplify right side
380,630.76x = 110,707,798,793.21 - Step 5: Solve for x
x = 110,707,798,793.21/380,630.76 - Step 6: Final answer
x = 290,853.53
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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.