Finding the Fourth Proportional to 289,936.84, 400,132.80 and 162,620.62
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Solution
The fourth proportional to 289,936.84, 400,132.80 and 162,620.62 is: 224,427.65
Step by Step Solution
- Step 1: Write the proportion equation
289,936.84 : 400,132.80 = 162,620.62 : x - Step 2: Convert to fraction form
289,936.84/400,132.80 = 162,620.62/x - Step 3: Cross multiply
289,936.84x = 400,132.80 × 162,620.62 - Step 4: Simplify right side
289,936.84x = 65,069,844,018.34 - Step 5: Solve for x
x = 65,069,844,018.34/289,936.84 - Step 6: Final answer
x = 224,427.65
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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.