Finding the Fourth Proportional to 519,214.14, 716,516.55 and 280,750.14
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Solution
The fourth proportional to 519,214.14, 716,516.55 and 280,750.14 is: 387,435.75
Step by Step Solution
- Step 1: Write the proportion equation
519,214.14 : 716,516.55 = 280,750.14 : x - Step 2: Convert to fraction form
519,214.14/716,516.55 = 280,750.14/x - Step 3: Cross multiply
519,214.14x = 716,516.55 × 280,750.14 - Step 4: Simplify right side
519,214.14x = 201,162,121,724.82 - Step 5: Solve for x
x = 201,162,121,724.82/519,214.14 - Step 6: Final answer
x = 387,435.75
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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.