Finding the Fourth Proportional to 929,950.20, 1,394,579.70 and 368,868.60
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Solution
The fourth proportional to 929,950.20, 1,394,579.70 and 368,868.60 is: 553,165.82
Step by Step Solution
- Step 1: Write the proportion equation
929,950.20 : 1,394,579.70 = 368,868.60 : x - Step 2: Convert to fraction form
929,950.20/1,394,579.70 = 368,868.60/x - Step 3: Cross multiply
929,950.20x = 1,394,579.70 × 368,868.60 - Step 4: Simplify right side
929,950.20x = 514,416,661,527.42 - Step 5: Solve for x
x = 514,416,661,527.42/929,950.20 - Step 6: Final answer
x = 553,165.82
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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.