Finding the Fourth Proportional to 113,564.24, 170,346.36 and 51,252.56
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Solution
The fourth proportional to 113,564.24, 170,346.36 and 51,252.56 is: 76,878.84
Step by Step Solution
- Step 1: Write the proportion equation
113,564.24 : 170,346.36 = 51,252.56 : x - Step 2: Convert to fraction form
113,564.24/170,346.36 = 51,252.56/x - Step 3: Cross multiply
113,564.24x = 170,346.36 × 51,252.56 - Step 4: Simplify right side
113,564.24x = 8,730,687,036.68 - Step 5: Solve for x
x = 8,730,687,036.68/113,564.24 - Step 6: Final answer
x = 76,878.84
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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.