Finding the Fourth Proportional to 288,609.12, 432,913.68 and 174,779.87
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Solution
The fourth proportional to 288,609.12, 432,913.68 and 174,779.87 is: 262,169.81
Step by Step Solution
- Step 1: Write the proportion equation
288,609.12 : 432,913.68 = 174,779.87 : x - Step 2: Convert to fraction form
288,609.12/432,913.68 = 174,779.87/x - Step 3: Cross multiply
288,609.12x = 432,913.68 × 174,779.87 - Step 4: Simplify right side
288,609.12x = 75,664,597,793.91 - Step 5: Solve for x
x = 75,664,597,793.91/288,609.12 - Step 6: Final answer
x = 262,169.81
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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.