Finding the Fourth Proportional to 402,930.72, 603,787.14 and 269,572.26
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Solution
The fourth proportional to 402,930.72, 603,787.14 and 269,572.26 is: 403,950.99
Step by Step Solution
- Step 1: Write the proportion equation
402,930.72 : 603,787.14 = 269,572.26 : x - Step 2: Convert to fraction form
402,930.72/603,787.14 = 269,572.26/x - Step 3: Cross multiply
402,930.72x = 603,787.14 × 269,572.26 - Step 4: Simplify right side
402,930.72x = 162,764,263,888.74 - Step 5: Solve for x
x = 162,764,263,888.74/402,930.72 - Step 6: Final answer
x = 403,950.99
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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.