Finding the Fourth Proportional to 276,289.21, 414,432.43 and 238,735.02
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Solution
The fourth proportional to 276,289.21, 414,432.43 and 238,735.02 is: 358,101.33
Step by Step Solution
- Step 1: Write the proportion equation
276,289.21 : 414,432.43 = 238,735.02 : x - Step 2: Convert to fraction form
276,289.21/414,432.43 = 238,735.02/x - Step 3: Cross multiply
276,289.21x = 414,432.43 × 238,735.02 - Step 4: Simplify right side
276,289.21x = 98,939,534,464.70 - Step 5: Solve for x
x = 98,939,534,464.70/276,289.21 - Step 6: Final answer
x = 358,101.33
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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.