Finding the Fourth Proportional to 449,717.97, 674,384.92 and 260,309.08
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Solution
The fourth proportional to 449,717.97, 674,384.92 and 260,309.08 is: 390,352.46
Step by Step Solution
- Step 1: Write the proportion equation
449,717.97 : 674,384.92 = 260,309.08 : x - Step 2: Convert to fraction form
449,717.97/674,384.92 = 260,309.08/x - Step 3: Cross multiply
449,717.97x = 674,384.92 × 260,309.08 - Step 4: Simplify right side
449,717.97x = 175,548,515,954.11 - Step 5: Solve for x
x = 175,548,515,954.11/449,717.97 - Step 6: Final answer
x = 390,352.46
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1.5x scale
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.