Finding the Fourth Proportional to 190,923.40, 263,474.58 and 106,038.28
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Solution
The fourth proportional to 190,923.40, 263,474.58 and 106,038.28 is: 146,332.99
Step by Step Solution
- Step 1: Write the proportion equation
190,923.40 : 263,474.58 = 106,038.28 : x - Step 2: Convert to fraction form
190,923.40/263,474.58 = 106,038.28/x - Step 3: Cross multiply
190,923.40x = 263,474.58 × 106,038.28 - Step 4: Simplify right side
190,923.40x = 27,938,391,286.92 - Step 5: Solve for x
x = 27,938,391,286.92/190,923.40 - Step 6: Final answer
x = 146,332.99
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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.