Finding the Fourth Proportional to 288,257.68, 432,396.24 and 77,897.44
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Solution
The fourth proportional to 288,257.68, 432,396.24 and 77,897.44 is: 116,848.79
Step by Step Solution
- Step 1: Write the proportion equation
288,257.68 : 432,396.24 = 77,897.44 : x - Step 2: Convert to fraction form
288,257.68/432,396.24 = 77,897.44/x - Step 3: Cross multiply
288,257.68x = 432,396.24 × 77,897.44 - Step 4: Simplify right side
288,257.68x = 33,682,560,161.63 - Step 5: Solve for x
x = 33,682,560,161.63/288,257.68 - Step 6: Final answer
x = 116,848.79
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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.