Finding the Fourth Proportional to 157,246.40, 235,858.80 and 50,628.80
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Solution
The fourth proportional to 157,246.40, 235,858.80 and 50,628.80 is: 75,939.72
Step by Step Solution
- Step 1: Write the proportion equation
157,246.40 : 235,858.80 = 50,628.80 : x - Step 2: Convert to fraction form
157,246.40/235,858.80 = 50,628.80/x - Step 3: Cross multiply
157,246.40x = 235,858.80 × 50,628.80 - Step 4: Simplify right side
157,246.40x = 11,941,248,013.44 - Step 5: Solve for x
x = 11,941,248,013.44/157,246.40 - Step 6: Final answer
x = 75,939.72
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.