Finding the Fourth Proportional to 397,869.09, 596,809.95 and 221,497.11
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Solution
The fourth proportional to 397,869.09, 596,809.95 and 221,497.11 is: 332,249.18
Step by Step Solution
- Step 1: Write the proportion equation
397,869.09 : 596,809.95 = 221,497.11 : x - Step 2: Convert to fraction form
397,869.09/596,809.95 = 221,497.11/x - Step 3: Cross multiply
397,869.09x = 596,809.95 × 221,497.11 - Step 4: Simplify right side
397,869.09x = 132,191,679,144.24 - Step 5: Solve for x
x = 132,191,679,144.24/397,869.09 - Step 6: Final answer
x = 332,249.18
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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.