Finding the Fourth Proportional to 487,456.08, 672,661.48 and 269,651.76
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Solution
The fourth proportional to 487,456.08, 672,661.48 and 269,651.76 is: 372,103.99
Step by Step Solution
- Step 1: Write the proportion equation
487,456.08 : 672,661.48 = 269,651.76 : x - Step 2: Convert to fraction form
487,456.08/672,661.48 = 269,651.76/x - Step 3: Cross multiply
487,456.08x = 672,661.48 × 269,651.76 - Step 4: Simplify right side
487,456.08x = 181,384,351,966.21 - Step 5: Solve for x
x = 181,384,351,966.21/487,456.08 - Step 6: Final answer
x = 372,103.99
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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.