Finding the Fourth Proportional to 251,101.20, 346,525.68 and 136,384.08
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Solution
The fourth proportional to 251,101.20, 346,525.68 and 136,384.08 is: 188,213.30
Step by Step Solution
- Step 1: Write the proportion equation
251,101.20 : 346,525.68 = 136,384.08 : x - Step 2: Convert to fraction form
251,101.20/346,525.68 = 136,384.08/x - Step 3: Cross multiply
251,101.20x = 346,525.68 × 136,384.08 - Step 4: Simplify right side
251,101.20x = 47,260,586,063.17 - Step 5: Solve for x
x = 47,260,586,063.17/251,101.20 - Step 6: Final answer
x = 188,213.30
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.