Finding the Fourth Proportional to 346,138.56, 519,009.12 and 135,529.92
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Solution
The fourth proportional to 346,138.56, 519,009.12 and 135,529.92 is: 203,217.07
Step by Step Solution
- Step 1: Write the proportion equation
346,138.56 : 519,009.12 = 135,529.92 : x - Step 2: Convert to fraction form
346,138.56/519,009.12 = 135,529.92/x - Step 3: Cross multiply
346,138.56x = 519,009.12 × 135,529.92 - Step 4: Simplify right side
346,138.56x = 70,341,264,512.87 - Step 5: Solve for x
x = 70,341,264,512.87/346,138.56 - Step 6: Final answer
x = 203,217.07
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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.