Finding the Fourth Proportional to 479,140.11, 718,554.68 and 159,206.06
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Solution
The fourth proportional to 479,140.11, 718,554.68 and 159,206.06 is: 238,757.43
Step by Step Solution
- Step 1: Write the proportion equation
479,140.11 : 718,554.68 = 159,206.06 : x - Step 2: Convert to fraction form
479,140.11/718,554.68 = 159,206.06/x - Step 3: Cross multiply
479,140.11x = 718,554.68 × 159,206.06 - Step 4: Simplify right side
479,140.11x = 114,398,259,497.36 - Step 5: Solve for x
x = 114,398,259,497.36/479,140.11 - Step 6: Final answer
x = 238,757.43
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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.