Finding the Fourth Proportional to 131,360.39, 197,068.28 and 42,606.99
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Solution
The fourth proportional to 131,360.39, 197,068.28 and 42,606.99 is: 63,919.47
Step by Step Solution
- Step 1: Write the proportion equation
131,360.39 : 197,068.28 = 42,606.99 : x - Step 2: Convert to fraction form
131,360.39/197,068.28 = 42,606.99/x - Step 3: Cross multiply
131,360.39x = 197,068.28 × 42,606.99 - Step 4: Simplify right side
131,360.39x = 8,396,486,022.24 - Step 5: Solve for x
x = 8,396,486,022.24/131,360.39 - Step 6: Final answer
x = 63,919.47
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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.