Finding the Fourth Proportional to 84,237.41, 126,386.17 and 36,185.83
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Solution
The fourth proportional to 84,237.41, 126,386.17 and 36,185.83 is: 54,291.65
Step by Step Solution
- Step 1: Write the proportion equation
84,237.41 : 126,386.17 = 36,185.83 : x - Step 2: Convert to fraction form
84,237.41/126,386.17 = 36,185.83/x - Step 3: Cross multiply
84,237.41x = 126,386.17 × 36,185.83 - Step 4: Simplify right side
84,237.41x = 4,573,388,055.54 - Step 5: Solve for x
x = 4,573,388,055.54/84,237.41 - Step 6: Final answer
x = 54,291.65
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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.