Finding the Fourth Proportional to 499,833.18, 689,770.49 and 273,478.68
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Solution
The fourth proportional to 499,833.18, 689,770.49 and 273,478.68 is: 377,400.96
Step by Step Solution
- Step 1: Write the proportion equation
499,833.18 : 689,770.49 = 273,478.68 : x - Step 2: Convert to fraction form
499,833.18/689,770.49 = 273,478.68/x - Step 3: Cross multiply
499,833.18x = 689,770.49 × 273,478.68 - Step 4: Simplify right side
499,833.18x = 188,637,521,740.76 - Step 5: Solve for x
x = 188,637,521,740.76/499,833.18 - Step 6: Final answer
x = 377,400.96
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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.