Finding the Fourth Proportional to 499,974.22, 689,966.67 and 273,619.18
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Solution
The fourth proportional to 499,974.22, 689,966.67 and 273,619.18 is: 377,595.70
Step by Step Solution
- Step 1: Write the proportion equation
499,974.22 : 689,966.67 = 273,619.18 : x - Step 2: Convert to fraction form
499,974.22/689,966.67 = 273,619.18/x - Step 3: Cross multiply
499,974.22x = 689,966.67 × 273,619.18 - Step 4: Simplify right side
499,974.22x = 188,788,114,472.73 - Step 5: Solve for x
x = 188,788,114,472.73/499,974.22 - Step 6: Final answer
x = 377,595.70
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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.