Finding the Fourth Proportional to 288,758.66, 432,293.34 and 168,447.74
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Solution
The fourth proportional to 288,758.66, 432,293.34 and 168,447.74 is: 252,178.88
Step by Step Solution
- Step 1: Write the proportion equation
288,758.66 : 432,293.34 = 168,447.74 : x - Step 2: Convert to fraction form
288,758.66/432,293.34 = 168,447.74/x - Step 3: Cross multiply
288,758.66x = 432,293.34 × 168,447.74 - Step 4: Simplify right side
288,758.66x = 72,818,836,140.05 - Step 5: Solve for x
x = 72,818,836,140.05/288,758.66 - Step 6: Final answer
x = 252,178.88
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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.