Finding the Fourth Proportional to 342,338.67, 513,507.60 and 131,828.99
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Solution
The fourth proportional to 342,338.67, 513,507.60 and 131,828.99 is: 197,743.32
Step by Step Solution
- Step 1: Write the proportion equation
342,338.67 : 513,507.60 = 131,828.99 : x - Step 2: Convert to fraction form
342,338.67/513,507.60 = 131,828.99/x - Step 3: Cross multiply
342,338.67x = 513,507.60 × 131,828.99 - Step 4: Simplify right side
342,338.67x = 67,695,185,697.79 - Step 5: Solve for x
x = 67,695,185,697.79/342,338.67 - Step 6: Final answer
x = 197,743.32
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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.