Finding the Fourth Proportional to 589,040.07, 883,560.09 and 189,721.20
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Solution
The fourth proportional to 589,040.07, 883,560.09 and 189,721.20 is: 284,581.80
Step by Step Solution
- Step 1: Write the proportion equation
589,040.07 : 883,560.09 = 189,721.20 : x - Step 2: Convert to fraction form
589,040.07/883,560.09 = 189,721.20/x - Step 3: Cross multiply
589,040.07x = 883,560.09 × 189,721.20 - Step 4: Simplify right side
589,040.07x = 167,630,080,546.91 - Step 5: Solve for x
x = 167,630,080,546.91/589,040.07 - Step 6: Final answer
x = 284,581.80
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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.