Finding the Fourth Proportional to 232,879.81, 321,408.17 and 130,913.67
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Solution
The fourth proportional to 232,879.81, 321,408.17 and 130,913.67 is: 180,679.99
Step by Step Solution
- Step 1: Write the proportion equation
232,879.81 : 321,408.17 = 130,913.67 : x - Step 2: Convert to fraction form
232,879.81/321,408.17 = 130,913.67/x - Step 3: Cross multiply
232,879.81x = 321,408.17 × 130,913.67 - Step 4: Simplify right side
232,879.81x = 42,076,720,841.07 - Step 5: Solve for x
x = 42,076,720,841.07/232,879.81 - Step 6: Final answer
x = 180,679.99
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1.5x scale
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.