Finding the Fourth Proportional to 447,841.84, 618,015.67 and 254,247.79
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Solution
The fourth proportional to 447,841.84, 618,015.67 and 254,247.79 is: 350,858.50
Step by Step Solution
- Step 1: Write the proportion equation
447,841.84 : 618,015.67 = 254,247.79 : x - Step 2: Convert to fraction form
447,841.84/618,015.67 = 254,247.79/x - Step 3: Cross multiply
447,841.84x = 618,015.67 × 254,247.79 - Step 4: Simplify right side
447,841.84x = 157,129,118,282.87 - Step 5: Solve for x
x = 157,129,118,282.87/447,841.84 - Step 6: Final answer
x = 350,858.50
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1.5x scale
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.