Finding the Fourth Proportional to 193,278.36, 266,718.99 and 106,063.20
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Solution
The fourth proportional to 193,278.36, 266,718.99 and 106,063.20 is: 146,364.39
Step by Step Solution
- Step 1: Write the proportion equation
193,278.36 : 266,718.99 = 106,063.20 : x - Step 2: Convert to fraction form
193,278.36/266,718.99 = 106,063.20/x - Step 3: Cross multiply
193,278.36x = 266,718.99 × 106,063.20 - Step 4: Simplify right side
193,278.36x = 28,289,069,580.17 - Step 5: Solve for x
x = 28,289,069,580.17/193,278.36 - Step 6: Final answer
x = 146,364.39
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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.