Finding the Fourth Proportional to 298,937.70, 448,668.99 and 165,968.10
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Solution
The fourth proportional to 298,937.70, 448,668.99 and 165,968.10 is: 249,097.85
Step by Step Solution
- Step 1: Write the proportion equation
298,937.70 : 448,668.99 = 165,968.10 : x - Step 2: Convert to fraction form
298,937.70/448,668.99 = 165,968.10/x - Step 3: Cross multiply
298,937.70x = 448,668.99 × 165,968.10 - Step 4: Simplify right side
298,937.70x = 74,464,739,799.22 - Step 5: Solve for x
x = 74,464,739,799.22/298,937.70 - Step 6: Final answer
x = 249,097.85
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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.