Finding the Fourth Proportional to 288,171.58, 432,278.14 and 110,678.58
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Solution
The fourth proportional to 288,171.58, 432,278.14 and 110,678.58 is: 166,025.85
Step by Step Solution
- Step 1: Write the proportion equation
288,171.58 : 432,278.14 = 110,678.58 : x - Step 2: Convert to fraction form
288,171.58/432,278.14 = 110,678.58/x - Step 3: Cross multiply
288,171.58x = 432,278.14 × 110,678.58 - Step 4: Simplify right side
288,171.58x = 47,843,930,700.24 - Step 5: Solve for x
x = 47,843,930,700.24/288,171.58 - Step 6: Final answer
x = 166,025.85
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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.