Finding the Fourth Proportional to 266,595.87, 399,813.08 and 140,167.97
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Solution
The fourth proportional to 266,595.87, 399,813.08 and 140,167.97 is: 210,209.50
Step by Step Solution
- Step 1: Write the proportion equation
266,595.87 : 399,813.08 = 140,167.97 : x - Step 2: Convert to fraction form
266,595.87/399,813.08 = 140,167.97/x - Step 3: Cross multiply
266,595.87x = 399,813.08 × 140,167.97 - Step 4: Simplify right side
266,595.87x = 56,040,985,103.14 - Step 5: Solve for x
x = 56,040,985,103.14/266,595.87 - Step 6: Final answer
x = 210,209.50
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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.