Finding the Fourth Proportional to 320,266.68, 441,985.23 and 177,040.02
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Solution
The fourth proportional to 320,266.68, 441,985.23 and 177,040.02 is: 244,324.74
Step by Step Solution
- Step 1: Write the proportion equation
320,266.68 : 441,985.23 = 177,040.02 : x - Step 2: Convert to fraction form
320,266.68/441,985.23 = 177,040.02/x - Step 3: Cross multiply
320,266.68x = 441,985.23 × 177,040.02 - Step 4: Simplify right side
320,266.68x = 78,249,073,958.90 - Step 5: Solve for x
x = 78,249,073,958.90/320,266.68 - Step 6: Final answer
x = 244,324.74
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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.