Finding the Fourth Proportional to 459,149.36, 688,723.08 and 122,189.97
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Solution
The fourth proportional to 459,149.36, 688,723.08 and 122,189.97 is: 183,284.70
Step by Step Solution
- Step 1: Write the proportion equation
459,149.36 : 688,723.08 = 122,189.97 : x - Step 2: Convert to fraction form
459,149.36/688,723.08 = 122,189.97/x - Step 3: Cross multiply
459,149.36x = 688,723.08 × 122,189.97 - Step 4: Simplify right side
459,149.36x = 84,155,052,483.51 - Step 5: Solve for x
x = 84,155,052,483.51/459,149.36 - Step 6: Final answer
x = 183,284.70
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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.