Finding the Fourth Proportional to 396,348.85, 594,523.68 and 185,986.99
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Solution
The fourth proportional to 396,348.85, 594,523.68 and 185,986.99 is: 278,980.68
Step by Step Solution
- Step 1: Write the proportion equation
396,348.85 : 594,523.68 = 185,986.99 : x - Step 2: Convert to fraction form
396,348.85/594,523.68 = 185,986.99/x - Step 3: Cross multiply
396,348.85x = 594,523.68 × 185,986.99 - Step 4: Simplify right side
396,348.85x = 110,573,669,726.92 - Step 5: Solve for x
x = 110,573,669,726.92/396,348.85 - Step 6: Final answer
x = 278,980.68
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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.