Finding the Fourth Proportional to 499,973.22, 689,965.29 and 273,618.18
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Solution
The fourth proportional to 499,973.22, 689,965.29 and 273,618.18 is: 377,594.32
Step by Step Solution
- Step 1: Write the proportion equation
499,973.22 : 689,965.29 = 273,618.18 : x - Step 2: Convert to fraction form
499,973.22/689,965.29 = 273,618.18/x - Step 3: Cross multiply
499,973.22x = 689,965.29 × 273,618.18 - Step 4: Simplify right side
499,973.22x = 188,787,046,912.97 - Step 5: Solve for x
x = 188,787,046,912.97/499,973.22 - Step 6: Final answer
x = 377,594.32
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.