Finding the Fourth Proportional to 266,216.86, 367,381.06 and 145,358.99
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Solution
The fourth proportional to 266,216.86, 367,381.06 and 145,358.99 is: 200,596.39
Step by Step Solution
- Step 1: Write the proportion equation
266,216.86 : 367,381.06 = 145,358.99 : x - Step 2: Convert to fraction form
266,216.86/367,381.06 = 145,358.99/x - Step 3: Cross multiply
266,216.86x = 367,381.06 × 145,358.99 - Step 4: Simplify right side
266,216.86x = 53,402,139,826.73 - Step 5: Solve for x
x = 53,402,139,826.73/266,216.86 - Step 6: Final answer
x = 200,596.39
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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.