Finding the Fourth Proportional to 383,837.49, 575,739.63 and 131,140.53
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Solution
The fourth proportional to 383,837.49, 575,739.63 and 131,140.53 is: 196,705.12
Step by Step Solution
- Step 1: Write the proportion equation
383,837.49 : 575,739.63 = 131,140.53 : x - Step 2: Convert to fraction form
383,837.49/575,739.63 = 131,140.53/x - Step 3: Cross multiply
383,837.49x = 575,739.63 × 131,140.53 - Step 4: Simplify right side
383,837.49x = 75,502,800,220.20 - Step 5: Solve for x
x = 75,502,800,220.20/383,837.49 - Step 6: Final answer
x = 196,705.12
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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.