Finding the Fourth Proportional to 92,378.58, 138,555.87 and 29,205.06
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Solution
The fourth proportional to 92,378.58, 138,555.87 and 29,205.06 is: 43,803.79
Step by Step Solution
- Step 1: Write the proportion equation
92,378.58 : 138,555.87 = 29,205.06 : x - Step 2: Convert to fraction form
92,378.58/138,555.87 = 29,205.06/x - Step 3: Cross multiply
92,378.58x = 138,555.87 × 29,205.06 - Step 4: Simplify right side
92,378.58x = 4,046,531,867.60 - Step 5: Solve for x
x = 4,046,531,867.60/92,378.58 - Step 6: Final answer
x = 43,803.79
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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.