Finding the Fourth Proportional to 275,614.44, 380,366.67 and 153,120.84
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Solution
The fourth proportional to 275,614.44, 380,366.67 and 153,120.84 is: 211,317.17
Step by Step Solution
- Step 1: Write the proportion equation
275,614.44 : 380,366.67 = 153,120.84 : x - Step 2: Convert to fraction form
275,614.44/380,366.67 = 153,120.84/x - Step 3: Cross multiply
275,614.44x = 380,366.67 × 153,120.84 - Step 4: Simplify right side
275,614.44x = 58,242,064,018.40 - Step 5: Solve for x
x = 58,242,064,018.40/275,614.44 - Step 6: Final answer
x = 211,317.17
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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.