Finding the Fourth Proportional to 395,401.23, 591,939.09 and 245,159.19
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Solution
The fourth proportional to 395,401.23, 591,939.09 and 245,159.19 is: 367,017.85
Step by Step Solution
- Step 1: Write the proportion equation
395,401.23 : 591,939.09 = 245,159.19 : x - Step 2: Convert to fraction form
395,401.23/591,939.09 = 245,159.19/x - Step 3: Cross multiply
395,401.23x = 591,939.09 × 245,159.19 - Step 4: Simplify right side
395,401.23x = 145,119,307,833.74 - Step 5: Solve for x
x = 145,119,307,833.74/395,401.23 - Step 6: Final answer
x = 367,017.85
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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.