Finding the Fourth Proportional to 457,523.06, 686,289.24 and 120,612.06
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Solution
The fourth proportional to 457,523.06, 686,289.24 and 120,612.06 is: 180,919.32
Step by Step Solution
- Step 1: Write the proportion equation
457,523.06 : 686,289.24 = 120,612.06 : x - Step 2: Convert to fraction form
457,523.06/686,289.24 = 120,612.06/x - Step 3: Cross multiply
457,523.06x = 686,289.24 × 120,612.06 - Step 4: Simplify right side
457,523.06x = 82,774,758,992.23 - Step 5: Solve for x
x = 82,774,758,992.23/457,523.06 - Step 6: Final answer
x = 180,919.32
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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.