Finding the Fourth Proportional to 318,882.06, 440,077.14 and 175,642.02
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Solution
The fourth proportional to 318,882.06, 440,077.14 and 175,642.02 is: 242,396.95
Step by Step Solution
- Step 1: Write the proportion equation
318,882.06 : 440,077.14 = 175,642.02 : x - Step 2: Convert to fraction form
318,882.06/440,077.14 = 175,642.02/x - Step 3: Cross multiply
318,882.06x = 440,077.14 × 175,642.02 - Step 4: Simplify right side
318,882.06x = 77,296,037,825.42 - Step 5: Solve for x
x = 77,296,037,825.42/318,882.06 - Step 6: Final answer
x = 242,396.95
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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.