Finding the Fourth Proportional to 469,296.06, 647,628.87 and 254,436.99
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Solution
The fourth proportional to 469,296.06, 647,628.87 and 254,436.99 is: 351,123.21
Step by Step Solution
- Step 1: Write the proportion equation
469,296.06 : 647,628.87 = 254,436.99 : x - Step 2: Convert to fraction form
469,296.06/647,628.87 = 254,436.99/x - Step 3: Cross multiply
469,296.06x = 647,628.87 × 254,436.99 - Step 4: Simplify right side
469,296.06x = 164,780,740,319.90 - Step 5: Solve for x
x = 164,780,740,319.90/469,296.06 - Step 6: Final answer
x = 351,123.21
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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.