Finding the Fourth Proportional to 499,740.29, 689,657.91 and 273,385.79
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Solution
The fourth proportional to 499,740.29, 689,657.91 and 273,385.79 is: 377,281.31
Step by Step Solution
- Step 1: Write the proportion equation
499,740.29 : 689,657.91 = 273,385.79 : x - Step 2: Convert to fraction form
499,740.29/689,657.91 = 273,385.79/x - Step 3: Cross multiply
499,740.29x = 689,657.91 × 273,385.79 - Step 4: Simplify right side
499,740.29x = 188,542,672,205.63 - Step 5: Solve for x
x = 188,542,672,205.63/499,740.29 - Step 6: Final answer
x = 377,281.31
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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.