Finding the Fourth Proportional to 396,564.20, 595,235.10 and 197,109.80
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Solution
The fourth proportional to 396,564.20, 595,235.10 and 197,109.80 is: 295,857.95
Step by Step Solution
- Step 1: Write the proportion equation
396,564.20 : 595,235.10 = 197,109.80 : x - Step 2: Convert to fraction form
396,564.20/595,235.10 = 197,109.80/x - Step 3: Cross multiply
396,564.20x = 595,235.10 × 197,109.80 - Step 4: Simplify right side
396,564.20x = 117,326,671,513.98 - Step 5: Solve for x
x = 117,326,671,513.98/396,564.20 - Step 6: Final answer
x = 295,857.95
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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.