Finding the Fourth Proportional to 420,849.44, 580,762.84 and 229,863.52
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Solution
The fourth proportional to 420,849.44, 580,762.84 and 229,863.52 is: 317,206.53
Step by Step Solution
- Step 1: Write the proportion equation
420,849.44 : 580,762.84 = 229,863.52 : x - Step 2: Convert to fraction form
420,849.44/580,762.84 = 229,863.52/x - Step 3: Cross multiply
420,849.44x = 580,762.84 × 229,863.52 - Step 4: Simplify right side
420,849.44x = 133,496,190,687.60 - Step 5: Solve for x
x = 133,496,190,687.60/420,849.44 - Step 6: Final answer
x = 317,206.53
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.