Finding the Fourth Proportional to 141,008.76, 194,581.98 and 77,336.28
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Solution
The fourth proportional to 141,008.76, 194,581.98 and 77,336.28 is: 106,718.52
Step by Step Solution
- Step 1: Write the proportion equation
141,008.76 : 194,581.98 = 77,336.28 : x - Step 2: Convert to fraction form
141,008.76/194,581.98 = 77,336.28/x - Step 3: Cross multiply
141,008.76x = 194,581.98 × 77,336.28 - Step 4: Simplify right side
141,008.76x = 15,048,246,488.23 - Step 5: Solve for x
x = 15,048,246,488.23/141,008.76 - Step 6: Final answer
x = 106,718.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.