Finding the Fourth Proportional to 266,139.99, 367,282.08 and 145,288.44
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Solution
The fourth proportional to 266,139.99, 367,282.08 and 145,288.44 is: 200,502.90
Step by Step Solution
- Step 1: Write the proportion equation
266,139.99 : 367,282.08 = 145,288.44 : x - Step 2: Convert to fraction form
266,139.99/367,282.08 = 145,288.44/x - Step 3: Cross multiply
266,139.99x = 367,282.08 × 145,288.44 - Step 4: Simplify right side
266,139.99x = 53,361,840,443.16 - Step 5: Solve for x
x = 53,361,840,443.16/266,139.99 - Step 6: Final answer
x = 200,502.90
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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.