Finding the Fourth Proportional to 68,308.29, 102,473.37 and 28,865.79
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Solution
The fourth proportional to 68,308.29, 102,473.37 and 28,865.79 is: 43,303.31
Step by Step Solution
- Step 1: Write the proportion equation
68,308.29 : 102,473.37 = 28,865.79 : x - Step 2: Convert to fraction form
68,308.29/102,473.37 = 28,865.79/x - Step 3: Cross multiply
68,308.29x = 102,473.37 × 28,865.79 - Step 4: Simplify right side
68,308.29x = 2,957,974,779.01 - Step 5: Solve for x
x = 2,957,974,779.01/68,308.29 - Step 6: Final answer
x = 43,303.31
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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.