Finding the Fourth Proportional to 439,145.68, 605,797.96 and 277,728.72
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Solution
The fourth proportional to 439,145.68, 605,797.96 and 277,728.72 is: 383,124.55
Step by Step Solution
- Step 1: Write the proportion equation
439,145.68 : 605,797.96 = 277,728.72 : x - Step 2: Convert to fraction form
439,145.68/605,797.96 = 277,728.72/x - Step 3: Cross multiply
439,145.68x = 605,797.96 × 277,728.72 - Step 4: Simplify right side
439,145.68x = 168,247,492,009.41 - Step 5: Solve for x
x = 168,247,492,009.41/439,145.68 - Step 6: Final answer
x = 383,124.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.