Finding the Fourth Proportional to 325,053.70, 487,580.55 and 207,247.30
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Solution
The fourth proportional to 325,053.70, 487,580.55 and 207,247.30 is: 310,870.95
Step by Step Solution
- Step 1: Write the proportion equation
325,053.70 : 487,580.55 = 207,247.30 : x - Step 2: Convert to fraction form
325,053.70/487,580.55 = 207,247.30/x - Step 3: Cross multiply
325,053.70x = 487,580.55 × 207,247.30 - Step 4: Simplify right side
325,053.70x = 101,049,752,520.02 - Step 5: Solve for x
x = 101,049,752,520.02/325,053.70 - Step 6: Final answer
x = 310,870.95
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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.