Finding the Fourth Proportional to 325,267.62, 487,620.75 and 156,555.75
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Solution
The fourth proportional to 325,267.62, 487,620.75 and 156,555.75 is: 234,698.53
Step by Step Solution
- Step 1: Write the proportion equation
325,267.62 : 487,620.75 = 156,555.75 : x - Step 2: Convert to fraction form
325,267.62/487,620.75 = 156,555.75/x - Step 3: Cross multiply
325,267.62x = 487,620.75 × 156,555.75 - Step 4: Simplify right side
325,267.62x = 76,339,832,231.81 - Step 5: Solve for x
x = 76,339,832,231.81/325,267.62 - Step 6: Final answer
x = 234,698.53
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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.