Finding the Fourth Proportional to 157,171.33, 235,754.69 and 38,842.68
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Solution
The fourth proportional to 157,171.33, 235,754.69 and 38,842.68 is: 58,263.45
Step by Step Solution
- Step 1: Write the proportion equation
157,171.33 : 235,754.69 = 38,842.68 : x - Step 2: Convert to fraction form
157,171.33/235,754.69 = 38,842.68/x - Step 3: Cross multiply
157,171.33x = 235,754.69 × 38,842.68 - Step 4: Simplify right side
157,171.33x = 9,157,344,079.28 - Step 5: Solve for x
x = 9,157,344,079.28/157,171.33 - Step 6: Final answer
x = 58,263.45
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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.