Finding the Fourth Proportional to 254,697.23, 382,023.84 and 86,213.95
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Solution
The fourth proportional to 254,697.23, 382,023.84 and 86,213.95 is: 129,313.48
Step by Step Solution
- Step 1: Write the proportion equation
254,697.23 : 382,023.84 = 86,213.95 : x - Step 2: Convert to fraction form
254,697.23/382,023.84 = 86,213.95/x - Step 3: Cross multiply
254,697.23x = 382,023.84 × 86,213.95 - Step 4: Simplify right side
254,697.23x = 32,935,784,240.57 - Step 5: Solve for x
x = 32,935,784,240.57/254,697.23 - Step 6: Final answer
x = 129,313.48
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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.