Finding the Fourth Proportional to 74,516.00, 102,830.65 and 40,982.00
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Solution
The fourth proportional to 74,516.00, 102,830.65 and 40,982.00 is: 56,554.37
Step by Step Solution
- Step 1: Write the proportion equation
74,516.00 : 102,830.65 = 40,982.00 : x - Step 2: Convert to fraction form
74,516.00/102,830.65 = 40,982.00/x - Step 3: Cross multiply
74,516.00x = 102,830.65 × 40,982.00 - Step 4: Simplify right side
74,516.00x = 4,214,204,979.24 - Step 5: Solve for x
x = 4,214,204,979.24/74,516.00 - Step 6: Final answer
x = 56,554.37
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.