Finding the Fourth Proportional to 298,934.97, 448,615.69 and 165,921.63
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Solution
The fourth proportional to 298,934.97, 448,615.69 and 165,921.63 is: 249,000.80
Step by Step Solution
- Step 1: Write the proportion equation
298,934.97 : 448,615.69 = 165,921.63 : x - Step 2: Convert to fraction form
298,934.97/448,615.69 = 165,921.63/x - Step 3: Cross multiply
298,934.97x = 448,615.69 × 165,921.63 - Step 4: Simplify right side
298,934.97x = 74,435,046,528.37 - Step 5: Solve for x
x = 74,435,046,528.37/298,934.97 - Step 6: Final answer
x = 249,000.80
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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.