Finding the Fourth Proportional to 678,106.08, 1,017,176.40 and 204,806.88
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Solution
The fourth proportional to 678,106.08, 1,017,176.40 and 204,806.88 is: 307,215.54
Step by Step Solution
- Step 1: Write the proportion equation
678,106.08 : 1,017,176.40 = 204,806.88 : x - Step 2: Convert to fraction form
678,106.08/1,017,176.40 = 204,806.88/x - Step 3: Cross multiply
678,106.08x = 1,017,176.40 × 204,806.88 - Step 4: Simplify right side
678,106.08x = 208,324,724,893.63 - Step 5: Solve for x
x = 208,324,724,893.63/678,106.08 - Step 6: Final answer
x = 307,215.54
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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.