Finding the Fourth Proportional to 225,933.49, 338,901.40 and 76,175.08
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Solution
The fourth proportional to 225,933.49, 338,901.40 and 76,175.08 is: 114,263.01
Step by Step Solution
- Step 1: Write the proportion equation
225,933.49 : 338,901.40 = 76,175.08 : x - Step 2: Convert to fraction form
225,933.49/338,901.40 = 76,175.08/x - Step 3: Cross multiply
225,933.49x = 338,901.40 × 76,175.08 - Step 4: Simplify right side
225,933.49x = 25,815,841,257.11 - Step 5: Solve for x
x = 25,815,841,257.11/225,933.49 - Step 6: Final answer
x = 114,263.01
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.