Finding the Fourth Proportional to 266,997.70, 368,455.48 and 144,489.99
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Solution
The fourth proportional to 266,997.70, 368,455.48 and 144,489.99 is: 199,395.46
Step by Step Solution
- Step 1: Write the proportion equation
266,997.70 : 368,455.48 = 144,489.99 : x - Step 2: Convert to fraction form
266,997.70/368,455.48 = 144,489.99/x - Step 3: Cross multiply
266,997.70x = 368,455.48 × 144,489.99 - Step 4: Simplify right side
266,997.70x = 53,238,128,620.65 - Step 5: Solve for x
x = 53,238,128,620.65/266,997.70 - Step 6: Final answer
x = 199,395.46
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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.