Finding the Fourth Proportional to 325,059.20, 487,588.80 and 207,252.80
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Solution
The fourth proportional to 325,059.20, 487,588.80 and 207,252.80 is: 310,879.20
Step by Step Solution
- Step 1: Write the proportion equation
325,059.20 : 487,588.80 = 207,252.80 : x - Step 2: Convert to fraction form
325,059.20/487,588.80 = 207,252.80/x - Step 3: Cross multiply
325,059.20x = 487,588.80 × 207,252.80 - Step 4: Simplify right side
325,059.20x = 101,054,144,048.64 - Step 5: Solve for x
x = 101,054,144,048.64/325,059.20 - Step 6: Final answer
x = 310,879.20
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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.