Finding the Fourth Proportional to 232,885.24, 321,415.68 and 130,919.12
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Solution
The fourth proportional to 232,885.24, 321,415.68 and 130,919.12 is: 180,687.53
Step by Step Solution
- Step 1: Write the proportion equation
232,885.24 : 321,415.68 = 130,919.12 : x - Step 2: Convert to fraction form
232,885.24/321,415.68 = 130,919.12/x - Step 3: Cross multiply
232,885.24x = 321,415.68 × 130,919.12 - Step 4: Simplify right side
232,885.24x = 42,079,457,979.80 - Step 5: Solve for x
x = 42,079,457,979.80/232,885.24 - Step 6: Final answer
x = 180,687.53
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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.