Finding the Fourth Proportional to 288,261.24, 432,414.90 and 101,314.68
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Solution
The fourth proportional to 288,261.24, 432,414.90 and 101,314.68 is: 151,980.12
Step by Step Solution
- Step 1: Write the proportion equation
288,261.24 : 432,414.90 = 101,314.68 : x - Step 2: Convert to fraction form
288,261.24/432,414.90 = 101,314.68/x - Step 3: Cross multiply
288,261.24x = 432,414.90 × 101,314.68 - Step 4: Simplify right side
288,261.24x = 43,809,977,220.73 - Step 5: Solve for x
x = 43,809,977,220.73/288,261.24 - Step 6: Final answer
x = 151,980.12
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1.5x scale
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.