Finding the Fourth Proportional to 467,745.23, 645,489.99 and 252,886.83
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Solution
The fourth proportional to 467,745.23, 645,489.99 and 252,886.83 is: 348,984.68
Step by Step Solution
- Step 1: Write the proportion equation
467,745.23 : 645,489.99 = 252,886.83 : x - Step 2: Convert to fraction form
467,745.23/645,489.99 = 252,886.83/x - Step 3: Cross multiply
467,745.23x = 645,489.99 × 252,886.83 - Step 4: Simplify right side
467,745.23x = 163,235,917,367.83 - Step 5: Solve for x
x = 163,235,917,367.83/467,745.23 - Step 6: Final answer
x = 348,984.68
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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.