Finding the Fourth Proportional to 391,759.06, 587,622.18 and 125,513.68
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Solution
The fourth proportional to 391,759.06, 587,622.18 and 125,513.68 is: 188,265.26
Step by Step Solution
- Step 1: Write the proportion equation
391,759.06 : 587,622.18 = 125,513.68 : x - Step 2: Convert to fraction form
391,759.06/587,622.18 = 125,513.68/x - Step 3: Cross multiply
391,759.06x = 587,622.18 × 125,513.68 - Step 4: Simplify right side
391,759.06x = 73,754,622,261.42 - Step 5: Solve for x
x = 73,754,622,261.42/391,759.06 - Step 6: Final answer
x = 188,265.26
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.