Finding the Fourth Proportional to 486,616.80, 729,795.60 and 149,656.80
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Solution
The fourth proportional to 486,616.80, 729,795.60 and 149,656.80 is: 224,445.34
Step by Step Solution
- Step 1: Write the proportion equation
486,616.80 : 729,795.60 = 149,656.80 : x - Step 2: Convert to fraction form
486,616.80/729,795.60 = 149,656.80/x - Step 3: Cross multiply
486,616.80x = 729,795.60 × 149,656.80 - Step 4: Simplify right side
486,616.80x = 109,218,874,150.08 - Step 5: Solve for x
x = 109,218,874,150.08/486,616.80 - Step 6: Final answer
x = 224,445.34
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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.