Finding the Fourth Proportional to 447,917.93, 618,140.91 and 243,974.99
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Solution
The fourth proportional to 447,917.93, 618,140.91 and 243,974.99 is: 336,693.20
Step by Step Solution
- Step 1: Write the proportion equation
447,917.93 : 618,140.91 = 243,974.99 : x - Step 2: Convert to fraction form
447,917.93/618,140.91 = 243,974.99/x - Step 3: Cross multiply
447,917.93x = 618,140.91 × 243,974.99 - Step 4: Simplify right side
447,917.93x = 150,810,922,335.84 - Step 5: Solve for x
x = 150,810,922,335.84/447,917.93 - Step 6: Final answer
x = 336,693.20
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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.