Finding the Fourth Proportional to 131,774.47, 197,680.97 and 38,268.07
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Solution
The fourth proportional to 131,774.47, 197,680.97 and 38,268.07 is: 57,407.70
Step by Step Solution
- Step 1: Write the proportion equation
131,774.47 : 197,680.97 = 38,268.07 : x - Step 2: Convert to fraction form
131,774.47/197,680.97 = 38,268.07/x - Step 3: Cross multiply
131,774.47x = 197,680.97 × 38,268.07 - Step 4: Simplify right side
131,774.47x = 7,564,869,197.63 - Step 5: Solve for x
x = 7,564,869,197.63/131,774.47 - Step 6: Final answer
x = 57,407.70
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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.