Finding the Fourth Proportional to 387,675.68, 580,919.99 and 260,846.15
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Solution
The fourth proportional to 387,675.68, 580,919.99 and 260,846.15 is: 390,869.86
Step by Step Solution
- Step 1: Write the proportion equation
387,675.68 : 580,919.99 = 260,846.15 : x - Step 2: Convert to fraction form
387,675.68/580,919.99 = 260,846.15/x - Step 3: Cross multiply
387,675.68x = 580,919.99 × 260,846.15 - Step 4: Simplify right side
387,675.68x = 151,530,738,640.71 - Step 5: Solve for x
x = 151,530,738,640.71/387,675.68 - Step 6: Final answer
x = 390,869.86
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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.