Finding the Fourth Proportional to 169,840.24, 254,766.06 and 76,346.26
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Solution
The fourth proportional to 169,840.24, 254,766.06 and 76,346.26 is: 114,521.95
Step by Step Solution
- Step 1: Write the proportion equation
169,840.24 : 254,766.06 = 76,346.26 : x - Step 2: Convert to fraction form
169,840.24/254,766.06 = 76,346.26/x - Step 3: Cross multiply
169,840.24x = 254,766.06 × 76,346.26 - Step 4: Simplify right side
169,840.24x = 19,450,435,855.94 - Step 5: Solve for x
x = 19,450,435,855.94/169,840.24 - Step 6: Final answer
x = 114,521.95
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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.