Finding the Fourth Proportional to 225,775.84, 311,575.44 and 123,803.68
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Solution
The fourth proportional to 225,775.84, 311,575.44 and 123,803.68 is: 170,851.70
Step by Step Solution
- Step 1: Write the proportion equation
225,775.84 : 311,575.44 = 123,803.68 : x - Step 2: Convert to fraction form
225,775.84/311,575.44 = 123,803.68/x - Step 3: Cross multiply
225,775.84x = 311,575.44 × 123,803.68 - Step 4: Simplify right side
225,775.84x = 38,574,186,069.62 - Step 5: Solve for x
x = 38,574,186,069.62/225,775.84 - Step 6: Final answer
x = 170,851.70
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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.