Finding the Fourth Proportional to 279,537.21, 385,750.81 and 170,823.33
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Solution
The fourth proportional to 279,537.21, 385,750.81 and 170,823.33 is: 235,729.75
Step by Step Solution
- Step 1: Write the proportion equation
279,537.21 : 385,750.81 = 170,823.33 : x - Step 2: Convert to fraction form
279,537.21/385,750.81 = 170,823.33/x - Step 3: Cross multiply
279,537.21x = 385,750.81 × 170,823.33 - Step 4: Simplify right side
279,537.21x = 65,895,237,167.05 - Step 5: Solve for x
x = 65,895,237,167.05/279,537.21 - Step 6: Final answer
x = 235,729.75
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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.