Finding the Fourth Proportional to 345,358.07, 476,586.95 and 192,396.05
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Solution
The fourth proportional to 345,358.07, 476,586.95 and 192,396.05 is: 265,502.55
Step by Step Solution
- Step 1: Write the proportion equation
345,358.07 : 476,586.95 = 192,396.05 : x - Step 2: Convert to fraction form
345,358.07/476,586.95 = 192,396.05/x - Step 3: Cross multiply
345,358.07x = 476,586.95 × 192,396.05 - Step 4: Simplify right side
345,358.07x = 91,693,446,661.55 - Step 5: Solve for x
x = 91,693,446,661.55/345,358.07 - Step 6: Final answer
x = 265,502.55
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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.