Finding the Fourth Proportional to 486,260.76, 729,485.68 and 186,719.31
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Solution
The fourth proportional to 486,260.76, 729,485.68 and 186,719.31 is: 280,115.27
Step by Step Solution
- Step 1: Write the proportion equation
486,260.76 : 729,485.68 = 186,719.31 : x - Step 2: Convert to fraction form
486,260.76/729,485.68 = 186,719.31/x - Step 3: Cross multiply
486,260.76x = 729,485.68 × 186,719.31 - Step 4: Simplify right side
486,260.76x = 136,209,062,824.48 - Step 5: Solve for x
x = 136,209,062,824.48/486,260.76 - Step 6: Final answer
x = 280,115.27
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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.