Finding the Fourth Proportional to 375,231.21, 517,819.40 and 203,149.29
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Solution
The fourth proportional to 375,231.21, 517,819.40 and 203,149.29 is: 280,346.20
Step by Step Solution
- Step 1: Write the proportion equation
375,231.21 : 517,819.40 = 203,149.29 : x - Step 2: Convert to fraction form
375,231.21/517,819.40 = 203,149.29/x - Step 3: Cross multiply
375,231.21x = 517,819.40 × 203,149.29 - Step 4: Simplify right side
375,231.21x = 105,194,643,966.10 - Step 5: Solve for x
x = 105,194,643,966.10/375,231.21 - Step 6: Final answer
x = 280,346.20
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.