Finding the Fourth Proportional to 325,154.04, 487,777.79 and 100,531.99
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Solution
The fourth proportional to 325,154.04, 487,777.79 and 100,531.99 is: 150,812.43
Step by Step Solution
- Step 1: Write the proportion equation
325,154.04 : 487,777.79 = 100,531.99 : x - Step 2: Convert to fraction form
325,154.04/487,777.79 = 100,531.99/x - Step 3: Cross multiply
325,154.04x = 487,777.79 × 100,531.99 - Step 4: Simplify right side
325,154.04x = 49,037,269,467.61 - Step 5: Solve for x
x = 49,037,269,467.61/325,154.04 - Step 6: Final answer
x = 150,812.43
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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.