Finding the Fourth Proportional to 329,259.09, 493,120.74 and 279,162.21
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Solution
The fourth proportional to 329,259.09, 493,120.74 and 279,162.21 is: 418,092.26
Step by Step Solution
- Step 1: Write the proportion equation
329,259.09 : 493,120.74 = 279,162.21 : x - Step 2: Convert to fraction form
329,259.09/493,120.74 = 279,162.21/x - Step 3: Cross multiply
329,259.09x = 493,120.74 × 279,162.21 - Step 4: Simplify right side
329,259.09x = 137,660,675,575.24 - Step 5: Solve for x
x = 137,660,675,575.24/329,259.09 - Step 6: Final answer
x = 418,092.26
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1.5x scale
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.