Finding the Fourth Proportional to 268,214.30, 402,370.05 and 134,758.70
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Solution
The fourth proportional to 268,214.30, 402,370.05 and 134,758.70 is: 202,162.47
Step by Step Solution
- Step 1: Write the proportion equation
268,214.30 : 402,370.05 = 134,758.70 : x - Step 2: Convert to fraction form
268,214.30/402,370.05 = 134,758.70/x - Step 3: Cross multiply
268,214.30x = 402,370.05 × 134,758.70 - Step 4: Simplify right side
268,214.30x = 54,222,864,856.94 - Step 5: Solve for x
x = 54,222,864,856.94/268,214.30 - Step 6: Final answer
x = 202,162.47
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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.