Finding the Fourth Proportional to 240,455.99, 331,800.41 and 138,514.79
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Solution
The fourth proportional to 240,455.99, 331,800.41 and 138,514.79 is: 191,133.79
Step by Step Solution
- Step 1: Write the proportion equation
240,455.99 : 331,800.41 = 138,514.79 : x - Step 2: Convert to fraction form
240,455.99/331,800.41 = 138,514.79/x - Step 3: Cross multiply
240,455.99x = 331,800.41 × 138,514.79 - Step 4: Simplify right side
240,455.99x = 45,959,264,113.06 - Step 5: Solve for x
x = 45,959,264,113.06/240,455.99 - Step 6: Final answer
x = 191,133.79
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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.