Finding the Fourth Proportional to 435,828.24, 653,137.56 and 198,591.12
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Solution
The fourth proportional to 435,828.24, 653,137.56 and 198,591.12 is: 297,611.09
Step by Step Solution
- Step 1: Write the proportion equation
435,828.24 : 653,137.56 = 198,591.12 : x - Step 2: Convert to fraction form
435,828.24/653,137.56 = 198,591.12/x - Step 3: Cross multiply
435,828.24x = 653,137.56 × 198,591.12 - Step 4: Simplify right side
435,828.24x = 129,707,319,554.47 - Step 5: Solve for x
x = 129,707,319,554.47/435,828.24 - Step 6: Final answer
x = 297,611.09
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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.