Finding the Fourth Proportional to 190,948.07, 263,516.67 and 106,065.14
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Solution
The fourth proportional to 190,948.07, 263,516.67 and 106,065.14 is: 146,374.52
Step by Step Solution
- Step 1: Write the proportion equation
190,948.07 : 263,516.67 = 106,065.14 : x - Step 2: Convert to fraction form
190,948.07/263,516.67 = 106,065.14/x - Step 3: Cross multiply
190,948.07x = 263,516.67 × 106,065.14 - Step 4: Simplify right side
190,948.07x = 27,949,931,178.30 - Step 5: Solve for x
x = 27,949,931,178.30/190,948.07 - Step 6: Final answer
x = 146,374.52
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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.