Finding the Fourth Proportional to 449,632.42, 674,781.23 and 212,975.63
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Solution
The fourth proportional to 449,632.42, 674,781.23 and 212,975.63 is: 319,620.99
Step by Step Solution
- Step 1: Write the proportion equation
449,632.42 : 674,781.23 = 212,975.63 : x - Step 2: Convert to fraction form
449,632.42/674,781.23 = 212,975.63/x - Step 3: Cross multiply
449,632.42x = 674,781.23 × 212,975.63 - Step 4: Simplify right side
449,632.42x = 143,711,957,260.39 - Step 5: Solve for x
x = 143,711,957,260.39/449,632.42 - Step 6: Final answer
x = 319,620.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.