Finding the Fourth Proportional to 234,783.28, 351,964.44 and 84,988.48
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Solution
The fourth proportional to 234,783.28, 351,964.44 and 84,988.48 is: 127,406.53
Step by Step Solution
- Step 1: Write the proportion equation
234,783.28 : 351,964.44 = 84,988.48 : x - Step 2: Convert to fraction form
234,783.28/351,964.44 = 84,988.48/x - Step 3: Cross multiply
234,783.28x = 351,964.44 × 84,988.48 - Step 4: Simplify right side
234,783.28x = 29,912,922,769.65 - Step 5: Solve for x
x = 29,912,922,769.65/234,783.28 - Step 6: Final answer
x = 127,406.53
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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.