Finding the Fourth Proportional to 254,661.16, 381,860.34 and 114,299.68
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Solution
The fourth proportional to 254,661.16, 381,860.34 and 114,299.68 is: 171,390.54
Step by Step Solution
- Step 1: Write the proportion equation
254,661.16 : 381,860.34 = 114,299.68 : x - Step 2: Convert to fraction form
254,661.16/381,860.34 = 114,299.68/x - Step 3: Cross multiply
254,661.16x = 381,860.34 × 114,299.68 - Step 4: Simplify right side
254,661.16x = 43,646,514,666.69 - Step 5: Solve for x
x = 43,646,514,666.69/254,661.16 - Step 6: Final answer
x = 171,390.54
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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.