Finding the Fourth Proportional to 121,291.02, 181,930.35 and 46,405.41
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Solution
The fourth proportional to 121,291.02, 181,930.35 and 46,405.41 is: 69,605.75
Step by Step Solution
- Step 1: Write the proportion equation
121,291.02 : 181,930.35 = 46,405.41 : x - Step 2: Convert to fraction form
121,291.02/181,930.35 = 46,405.41/x - Step 3: Cross multiply
121,291.02x = 181,930.35 × 46,405.41 - Step 4: Simplify right side
121,291.02x = 8,442,551,974.97 - Step 5: Solve for x
x = 8,442,551,974.97/121,291.02 - Step 6: Final answer
x = 69,605.75
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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.