Finding the Fourth Proportional to 299,126.99, 448,986.08 and 130,763.53
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Solution
The fourth proportional to 299,126.99, 448,986.08 and 130,763.53 is: 196,274.51
Step by Step Solution
- Step 1: Write the proportion equation
299,126.99 : 448,986.08 = 130,763.53 : x - Step 2: Convert to fraction form
299,126.99/448,986.08 = 130,763.53/x - Step 3: Cross multiply
299,126.99x = 448,986.08 × 130,763.53 - Step 4: Simplify right side
299,126.99x = 58,711,004,087.84 - Step 5: Solve for x
x = 58,711,004,087.84/299,126.99 - Step 6: Final answer
x = 196,274.51
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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.