Finding the Fourth Proportional to 576,078.27, 863,747.40 and 239,351.55
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Solution
The fourth proportional to 576,078.27, 863,747.40 and 239,351.55 is: 358,873.59
Step by Step Solution
- Step 1: Write the proportion equation
576,078.27 : 863,747.40 = 239,351.55 : x - Step 2: Convert to fraction form
576,078.27/863,747.40 = 239,351.55/x - Step 3: Cross multiply
576,078.27x = 863,747.40 × 239,351.55 - Step 4: Simplify right side
576,078.27x = 206,739,278,998.47 - Step 5: Solve for x
x = 206,739,278,998.47/576,078.27 - Step 6: Final answer
x = 358,873.59
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.