Finding the Fourth Proportional to 459,484.11, 689,259.06 and 122,522.99
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Solution
The fourth proportional to 459,484.11, 689,259.06 and 122,522.99 is: 183,793.25
Step by Step Solution
- Step 1: Write the proportion equation
459,484.11 : 689,259.06 = 122,522.99 : x - Step 2: Convert to fraction form
459,484.11/689,259.06 = 122,522.99/x - Step 3: Cross multiply
459,484.11x = 689,259.06 × 122,522.99 - Step 4: Simplify right side
459,484.11x = 84,450,077,469.49 - Step 5: Solve for x
x = 84,450,077,469.49/459,484.11 - Step 6: Final answer
x = 183,793.25
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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.