Finding the Fourth Proportional to 486,619.68, 729,921.96 and 149,664.72
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Solution
The fourth proportional to 486,619.68, 729,921.96 and 149,664.72 is: 224,494.75
Step by Step Solution
- Step 1: Write the proportion equation
486,619.68 : 729,921.96 = 149,664.72 : x - Step 2: Convert to fraction form
486,619.68/729,921.96 = 149,664.72/x - Step 3: Cross multiply
486,619.68x = 729,921.96 × 149,664.72 - Step 4: Simplify right side
486,619.68x = 109,243,565,765.25 - Step 5: Solve for x
x = 109,243,565,765.25/486,619.68 - Step 6: Final answer
x = 224,494.75
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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.