Finding the Fourth Proportional to 449,080.18, 618,677.94 and 312,867.75
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Solution
The fourth proportional to 449,080.18, 618,677.94 and 312,867.75 is: 431,024.09
Step by Step Solution
- Step 1: Write the proportion equation
449,080.18 : 618,677.94 = 312,867.75 : x - Step 2: Convert to fraction form
449,080.18/618,677.94 = 312,867.75/x - Step 3: Cross multiply
449,080.18x = 618,677.94 × 312,867.75 - Step 4: Simplify right side
449,080.18x = 193,564,375,062.44 - Step 5: Solve for x
x = 193,564,375,062.44/449,080.18 - Step 6: Final answer
x = 431,024.09
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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.