Finding the Fourth Proportional to 163,821.99, 245,732.74 and 51,511.98
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Solution
The fourth proportional to 163,821.99, 245,732.74 and 51,511.98 is: 77,267.90
Step by Step Solution
- Step 1: Write the proportion equation
163,821.99 : 245,732.74 = 51,511.98 : x - Step 2: Convert to fraction form
163,821.99/245,732.74 = 51,511.98/x - Step 3: Cross multiply
163,821.99x = 245,732.74 × 51,511.98 - Step 4: Simplify right side
163,821.99x = 12,658,180,780.94 - Step 5: Solve for x
x = 12,658,180,780.94/163,821.99 - Step 6: Final answer
x = 77,267.90
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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.