Finding the Fourth Proportional to 322,197.99, 444,713.59 and 186,310.29
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Solution
The fourth proportional to 322,197.99, 444,713.59 and 186,310.29 is: 257,154.68
Step by Step Solution
- Step 1: Write the proportion equation
322,197.99 : 444,713.59 = 186,310.29 : x - Step 2: Convert to fraction form
322,197.99/444,713.59 = 186,310.29/x - Step 3: Cross multiply
322,197.99x = 444,713.59 × 186,310.29 - Step 4: Simplify right side
322,197.99x = 82,854,719,820.40 - Step 5: Solve for x
x = 82,854,719,820.40/322,197.99 - Step 6: Final answer
x = 257,154.68
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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.