Finding the Fourth Proportional to 523,093.80, 784,446.30 and 207,485.40
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Solution
The fourth proportional to 523,093.80, 784,446.30 and 207,485.40 is: 311,150.99
Step by Step Solution
- Step 1: Write the proportion equation
523,093.80 : 784,446.30 = 207,485.40 : x - Step 2: Convert to fraction form
523,093.80/784,446.30 = 207,485.40/x - Step 3: Cross multiply
523,093.80x = 784,446.30 × 207,485.40 - Step 4: Simplify right side
523,093.80x = 162,761,154,334.02 - Step 5: Solve for x
x = 162,761,154,334.02/523,093.80 - Step 6: Final answer
x = 311,150.99
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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.