Finding the Fourth Proportional to 319,535.19, 440,984.88 and 181,757.28
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Solution
The fourth proportional to 319,535.19, 440,984.88 and 181,757.28 is: 250,840.02
Step by Step Solution
- Step 1: Write the proportion equation
319,535.19 : 440,984.88 = 181,757.28 : x - Step 2: Convert to fraction form
319,535.19/440,984.88 = 181,757.28/x - Step 3: Cross multiply
319,535.19x = 440,984.88 × 181,757.28 - Step 4: Simplify right side
319,535.19x = 80,152,212,309.93 - Step 5: Solve for x
x = 80,152,212,309.93/319,535.19 - Step 6: Final answer
x = 250,840.02
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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.