Finding the Fourth Proportional to 423,700.21, 635,550.11 and 108,157.02
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Solution
The fourth proportional to 423,700.21, 635,550.11 and 108,157.02 is: 162,235.48
Step by Step Solution
- Step 1: Write the proportion equation
423,700.21 : 635,550.11 = 108,157.02 : x - Step 2: Convert to fraction form
423,700.21/635,550.11 = 108,157.02/x - Step 3: Cross multiply
423,700.21x = 635,550.11 × 108,157.02 - Step 4: Simplify right side
423,700.21x = 68,739,205,958.27 - Step 5: Solve for x
x = 68,739,205,958.27/423,700.21 - Step 6: Final answer
x = 162,235.48
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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.