Finding the Fourth Proportional to 88,243.56, 132,235.74 and 69,569.28
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Solution
The fourth proportional to 88,243.56, 132,235.74 and 69,569.28 is: 104,251.75
Step by Step Solution
- Step 1: Write the proportion equation
88,243.56 : 132,235.74 = 69,569.28 : x - Step 2: Convert to fraction form
88,243.56/132,235.74 = 69,569.28/x - Step 3: Cross multiply
88,243.56x = 132,235.74 × 69,569.28 - Step 4: Simplify right side
88,243.56x = 9,199,545,222.07 - Step 5: Solve for x
x = 9,199,545,222.07/88,243.56 - Step 6: Final answer
x = 104,251.75
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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.