Finding the Fourth Proportional to 406,704.43, 610,053.56 and 122,393.75
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Solution
The fourth proportional to 406,704.43, 610,053.56 and 122,393.75 is: 183,589.70
Step by Step Solution
- Step 1: Write the proportion equation
406,704.43 : 610,053.56 = 122,393.75 : x - Step 2: Convert to fraction form
406,704.43/610,053.56 = 122,393.75/x - Step 3: Cross multiply
406,704.43x = 610,053.56 × 122,393.75 - Step 4: Simplify right side
406,704.43x = 74,666,742,297.28 - Step 5: Solve for x
x = 74,666,742,297.28/406,704.43 - Step 6: Final answer
x = 183,589.70
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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.