Finding the Fourth Proportional to 396,521.76, 547,161.84 and 235,348.32
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Solution
The fourth proportional to 396,521.76, 547,161.84 and 235,348.32 is: 324,758.02
Step by Step Solution
- Step 1: Write the proportion equation
396,521.76 : 547,161.84 = 235,348.32 : x - Step 2: Convert to fraction form
396,521.76/547,161.84 = 235,348.32/x - Step 3: Cross multiply
396,521.76x = 547,161.84 × 235,348.32 - Step 4: Simplify right side
396,521.76x = 128,773,619,812.11 - Step 5: Solve for x
x = 128,773,619,812.11/396,521.76 - Step 6: Final answer
x = 324,758.02
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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.