Finding the Fourth Proportional to 288,368.62, 432,613.68 and 108,455.20
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Solution
The fourth proportional to 288,368.62, 432,613.68 and 108,455.20 is: 162,705.65
Step by Step Solution
- Step 1: Write the proportion equation
288,368.62 : 432,613.68 = 108,455.20 : x - Step 2: Convert to fraction form
288,368.62/432,613.68 = 108,455.20/x - Step 3: Cross multiply
288,368.62x = 432,613.68 × 108,455.20 - Step 4: Simplify right side
288,368.62x = 46,919,203,187.14 - Step 5: Solve for x
x = 46,919,203,187.14/288,368.62 - Step 6: Final answer
x = 162,705.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.