Finding the Fourth Proportional to 232,467.18, 320,794.20 and 141,808.74
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Solution
The fourth proportional to 232,467.18, 320,794.20 and 141,808.74 is: 195,689.65
Step by Step Solution
- Step 1: Write the proportion equation
232,467.18 : 320,794.20 = 141,808.74 : x - Step 2: Convert to fraction form
232,467.18/320,794.20 = 141,808.74/x - Step 3: Cross multiply
232,467.18x = 320,794.20 × 141,808.74 - Step 4: Simplify right side
232,467.18x = 45,491,421,301.31 - Step 5: Solve for x
x = 45,491,421,301.31/232,467.18 - Step 6: Final answer
x = 195,689.65
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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.