Finding the Fourth Proportional to 346,005.10, 518,758.56 and 212,609.75
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Solution
The fourth proportional to 346,005.10, 518,758.56 and 212,609.75 is: 318,761.56
Step by Step Solution
- Step 1: Write the proportion equation
346,005.10 : 518,758.56 = 212,609.75 : x - Step 2: Convert to fraction form
346,005.10/518,758.56 = 212,609.75/x - Step 3: Cross multiply
346,005.10x = 518,758.56 × 212,609.75 - Step 4: Simplify right side
346,005.10x = 110,293,125,158.17 - Step 5: Solve for x
x = 110,293,125,158.17/346,005.10 - Step 6: Final answer
x = 318,761.56
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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.