Finding the Fourth Proportional to 288,990.24, 433,203.48 and 120,558.96
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Solution
The fourth proportional to 288,990.24, 433,203.48 and 120,558.96 is: 180,720.85
Step by Step Solution
- Step 1: Write the proportion equation
288,990.24 : 433,203.48 = 120,558.96 : x - Step 2: Convert to fraction form
288,990.24/433,203.48 = 120,558.96/x - Step 3: Cross multiply
288,990.24x = 433,203.48 × 120,558.96 - Step 4: Simplify right side
288,990.24x = 52,226,561,017.18 - Step 5: Solve for x
x = 52,226,561,017.18/288,990.24 - Step 6: Final answer
x = 180,720.85
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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.