Finding the Fourth Proportional to 232,703.19, 321,149.75 and 137,228.49
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Solution
The fourth proportional to 232,703.19, 321,149.75 and 137,228.49 is: 189,386.72
Step by Step Solution
- Step 1: Write the proportion equation
232,703.19 : 321,149.75 = 137,228.49 : x - Step 2: Convert to fraction form
232,703.19/321,149.75 = 137,228.49/x - Step 3: Cross multiply
232,703.19x = 321,149.75 × 137,228.49 - Step 4: Simplify right side
232,703.19x = 44,070,894,570.24 - Step 5: Solve for x
x = 44,070,894,570.24/232,703.19 - Step 6: Final answer
x = 189,386.72
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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.