Finding the Fourth Proportional to 435,489.64, 653,234.21 and 135,995.88
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Solution
The fourth proportional to 435,489.64, 653,234.21 and 135,995.88 is: 203,993.75
Step by Step Solution
- Step 1: Write the proportion equation
435,489.64 : 653,234.21 = 135,995.88 : x - Step 2: Convert to fraction form
435,489.64/653,234.21 = 135,995.88/x - Step 3: Cross multiply
435,489.64x = 653,234.21 × 135,995.88 - Step 4: Simplify right side
435,489.64x = 88,837,162,799.86 - Step 5: Solve for x
x = 88,837,162,799.86/435,489.64 - Step 6: Final answer
x = 203,993.75
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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.