Finding the Fourth Proportional to 153,920.25, 230,878.22 and 48,739.19
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Solution
The fourth proportional to 153,920.25, 230,878.22 and 48,739.19 is: 73,108.09
Step by Step Solution
- Step 1: Write the proportion equation
153,920.25 : 230,878.22 = 48,739.19 : x - Step 2: Convert to fraction form
153,920.25/230,878.22 = 48,739.19/x - Step 3: Cross multiply
153,920.25x = 230,878.22 × 48,739.19 - Step 4: Simplify right side
153,920.25x = 11,252,816,033.35 - Step 5: Solve for x
x = 11,252,816,033.35/153,920.25 - Step 6: Final answer
x = 73,108.09
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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.