Finding the Fourth Proportional to 298,721.42, 448,082.14 and 88,342.98
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Solution
The fourth proportional to 298,721.42, 448,082.14 and 88,342.98 is: 132,514.47
Step by Step Solution
- Step 1: Write the proportion equation
298,721.42 : 448,082.14 = 88,342.98 : x - Step 2: Convert to fraction form
298,721.42/448,082.14 = 88,342.98/x - Step 3: Cross multiply
298,721.42x = 448,082.14 × 88,342.98 - Step 4: Simplify right side
298,721.42x = 39,584,911,532.38 - Step 5: Solve for x
x = 39,584,911,532.38/298,721.42 - Step 6: Final answer
x = 132,514.47
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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.