Finding the Fourth Proportional to 217,567.84, 326,354.64 and 84,455.68
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Solution
The fourth proportional to 217,567.84, 326,354.64 and 84,455.68 is: 126,684.64
Step by Step Solution
- Step 1: Write the proportion equation
217,567.84 : 326,354.64 = 84,455.68 : x - Step 2: Convert to fraction form
217,567.84/326,354.64 = 84,455.68/x - Step 3: Cross multiply
217,567.84x = 326,354.64 × 84,455.68 - Step 4: Simplify right side
217,567.84x = 27,562,503,042.36 - Step 5: Solve for x
x = 27,562,503,042.36/217,567.84 - Step 6: Final answer
x = 126,684.64
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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.