Finding the Fourth Proportional to 499,792.18, 689,729.04 and 273,437.68
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Solution
The fourth proportional to 499,792.18, 689,729.04 and 273,437.68 is: 377,352.66
Step by Step Solution
- Step 1: Write the proportion equation
499,792.18 : 689,729.04 = 273,437.68 : x - Step 2: Convert to fraction form
499,792.18/689,729.04 = 273,437.68/x - Step 3: Cross multiply
499,792.18x = 689,729.04 × 273,437.68 - Step 4: Simplify right side
499,792.18x = 188,597,908,526.23 - Step 5: Solve for x
x = 188,597,908,526.23/499,792.18 - Step 6: Final answer
x = 377,352.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.