Finding the Fourth Proportional to 425,674.91, 638,927.90 and 351,550.19
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Solution
The fourth proportional to 425,674.91, 638,927.90 and 351,550.19 is: 527,668.46
Step by Step Solution
- Step 1: Write the proportion equation
425,674.91 : 638,927.90 = 351,550.19 : x - Step 2: Convert to fraction form
425,674.91/638,927.90 = 351,550.19/x - Step 3: Cross multiply
425,674.91x = 638,927.90 × 351,550.19 - Step 4: Simplify right side
425,674.91x = 224,615,219,688.91 - Step 5: Solve for x
x = 224,615,219,688.91/425,674.91 - Step 6: Final answer
x = 527,668.46
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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.