Finding the Fourth Proportional to 928,188.99, 1,392,284.57 and 254,276.07
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Solution
The fourth proportional to 928,188.99, 1,392,284.57 and 254,276.07 is: 381,414.40
Step by Step Solution
- Step 1: Write the proportion equation
928,188.99 : 1,392,284.57 = 254,276.07 : x - Step 2: Convert to fraction form
928,188.99/1,392,284.57 = 254,276.07/x - Step 3: Cross multiply
928,188.99x = 1,392,284.57 × 254,276.07 - Step 4: Simplify right side
928,188.99x = 354,024,647,509.86 - Step 5: Solve for x
x = 354,024,647,509.86/928,188.99 - Step 6: Final answer
x = 381,414.40
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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.