Finding the Fourth Proportional to 264,287.75, 364,719.78 and 143,430.08
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Solution
The fourth proportional to 264,287.75, 364,719.78 and 143,430.08 is: 197,934.96
Step by Step Solution
- Step 1: Write the proportion equation
264,287.75 : 364,719.78 = 143,430.08 : x - Step 2: Convert to fraction form
264,287.75/364,719.78 = 143,430.08/x - Step 3: Cross multiply
264,287.75x = 364,719.78 × 143,430.08 - Step 4: Simplify right side
264,287.75x = 52,311,785,399.38 - Step 5: Solve for x
x = 52,311,785,399.38/264,287.75 - Step 6: Final answer
x = 197,934.96
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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.