Finding the Fourth Proportional to 486,125.20, 729,187.80 and 486,125.20
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Solution
The fourth proportional to 486,125.20, 729,187.80 and 486,125.20 is: 729,187.80
Step by Step Solution
- Step 1: Write the proportion equation
486,125.20 : 729,187.80 = 486,125.20 : x - Step 2: Convert to fraction form
486,125.20/729,187.80 = 486,125.20/x - Step 3: Cross multiply
486,125.20x = 729,187.80 × 486,125.20 - Step 4: Simplify right side
486,125.20x = 354,476,565,112.56 - Step 5: Solve for x
x = 354,476,565,112.56/486,125.20 - Step 6: Final answer
x = 729,187.80
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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.