Finding the Fourth Proportional to 431,181.56, 595,037.12 and 247,449.68
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Solution
The fourth proportional to 431,181.56, 595,037.12 and 247,449.68 is: 341,484.33
Step by Step Solution
- Step 1: Write the proportion equation
431,181.56 : 595,037.12 = 247,449.68 : x - Step 2: Convert to fraction form
431,181.56/595,037.12 = 247,449.68/x - Step 3: Cross multiply
431,181.56x = 595,037.12 × 247,449.68 - Step 4: Simplify right side
431,181.56x = 147,241,744,932.12 - Step 5: Solve for x
x = 147,241,744,932.12/431,181.56 - Step 6: Final answer
x = 341,484.33
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1.5x scale
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.