Finding the Fourth Proportional to 192,921.36, 266,225.28 and 106,876.82
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Solution
The fourth proportional to 192,921.36, 266,225.28 and 106,876.82 is: 147,486.58
Step by Step Solution
- Step 1: Write the proportion equation
192,921.36 : 266,225.28 = 106,876.82 : x - Step 2: Convert to fraction form
192,921.36/266,225.28 = 106,876.82/x - Step 3: Cross multiply
192,921.36x = 266,225.28 × 106,876.82 - Step 4: Simplify right side
192,921.36x = 28,453,311,330.01 - Step 5: Solve for x
x = 28,453,311,330.01/192,921.36 - Step 6: Final answer
x = 147,486.58
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1.5x scale
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.