Finding the Fourth Proportional to 522,809.40, 784,214.10 and 167,859.30
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Solution
The fourth proportional to 522,809.40, 784,214.10 and 167,859.30 is: 251,788.95
Step by Step Solution
- Step 1: Write the proportion equation
522,809.40 : 784,214.10 = 167,859.30 : x - Step 2: Convert to fraction form
522,809.40/784,214.10 = 167,859.30/x - Step 3: Cross multiply
522,809.40x = 784,214.10 × 167,859.30 - Step 4: Simplify right side
522,809.40x = 131,637,629,876.13 - Step 5: Solve for x
x = 131,637,629,876.13/522,809.40 - Step 6: Final answer
x = 251,788.95
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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.