Finding the Fourth Proportional to 325,044.20, 487,566.30 and 207,237.80
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Solution
The fourth proportional to 325,044.20, 487,566.30 and 207,237.80 is: 310,856.70
Step by Step Solution
- Step 1: Write the proportion equation
325,044.20 : 487,566.30 = 207,237.80 : x - Step 2: Convert to fraction form
325,044.20/487,566.30 = 207,237.80/x - Step 3: Cross multiply
325,044.20x = 487,566.30 × 207,237.80 - Step 4: Simplify right side
325,044.20x = 101,042,167,366.14 - Step 5: Solve for x
x = 101,042,167,366.14/325,044.20 - Step 6: Final answer
x = 310,856.70
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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.