Finding the Fourth Proportional to 225,379.80, 338,257.42 and 118,802.03
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Solution
The fourth proportional to 225,379.80, 338,257.42 and 118,802.03 is: 178,301.99
Step by Step Solution
- Step 1: Write the proportion equation
225,379.80 : 338,257.42 = 118,802.03 : x - Step 2: Convert to fraction form
225,379.80/338,257.42 = 118,802.03/x - Step 3: Cross multiply
225,379.80x = 338,257.42 × 118,802.03 - Step 4: Simplify right side
225,379.80x = 40,185,666,170.27 - Step 5: Solve for x
x = 40,185,666,170.27/225,379.80 - Step 6: Final answer
x = 178,301.99
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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.