Finding the Fourth Proportional to 288,416.09, 432,779.05 and 120,052.63
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Solution
The fourth proportional to 288,416.09, 432,779.05 and 120,052.63 is: 180,143.43
Step by Step Solution
- Step 1: Write the proportion equation
288,416.09 : 432,779.05 = 120,052.63 : x - Step 2: Convert to fraction form
288,416.09/432,779.05 = 120,052.63/x - Step 3: Cross multiply
288,416.09x = 432,779.05 × 120,052.63 - Step 4: Simplify right side
288,416.09x = 51,956,263,852.44 - Step 5: Solve for x
x = 51,956,263,852.44/288,416.09 - Step 6: Final answer
x = 180,143.43
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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.