Finding the Fourth Proportional to 252,853.74, 349,007.67 and 157,303.44
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Solution
The fourth proportional to 252,853.74, 349,007.67 and 157,303.44 is: 217,121.99
Step by Step Solution
- Step 1: Write the proportion equation
252,853.74 : 349,007.67 = 157,303.44 : x - Step 2: Convert to fraction form
252,853.74/349,007.67 = 157,303.44/x - Step 3: Cross multiply
252,853.74x = 349,007.67 × 157,303.44 - Step 4: Simplify right side
252,853.74x = 54,900,107,077.38 - Step 5: Solve for x
x = 54,900,107,077.38/252,853.74 - Step 6: Final answer
x = 217,121.99
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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.