Finding the Fourth Proportional to 346,199.28, 519,517.62 and 135,832.56
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Solution
The fourth proportional to 346,199.28, 519,517.62 and 135,832.56 is: 203,834.65
Step by Step Solution
- Step 1: Write the proportion equation
346,199.28 : 519,517.62 = 135,832.56 : x - Step 2: Convert to fraction form
346,199.28/519,517.62 = 135,832.56/x - Step 3: Cross multiply
346,199.28x = 519,517.62 × 135,832.56 - Step 4: Simplify right side
346,199.28x = 70,567,408,289.71 - Step 5: Solve for x
x = 70,567,408,289.71/346,199.28 - Step 6: Final answer
x = 203,834.65
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1.5x scale
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.