Finding the Fourth Proportional to 131,950.26, 197,953.47 and 38,448.18
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Solution
The fourth proportional to 131,950.26, 197,953.47 and 38,448.18 is: 57,680.45
Step by Step Solution
- Step 1: Write the proportion equation
131,950.26 : 197,953.47 = 38,448.18 : x - Step 2: Convert to fraction form
131,950.26/197,953.47 = 38,448.18/x - Step 3: Cross multiply
131,950.26x = 197,953.47 × 38,448.18 - Step 4: Simplify right side
131,950.26x = 7,610,950,646.18 - Step 5: Solve for x
x = 7,610,950,646.18/131,950.26 - Step 6: Final answer
x = 57,680.45
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1.5x scale
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.