Finding the Fourth Proportional to 239,248.36, 330,170.19 and 137,292.49
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Solution
The fourth proportional to 239,248.36, 330,170.19 and 137,292.49 is: 189,467.91
Step by Step Solution
- Step 1: Write the proportion equation
239,248.36 : 330,170.19 = 137,292.49 : x - Step 2: Convert to fraction form
239,248.36/330,170.19 = 137,292.49/x - Step 3: Cross multiply
239,248.36x = 330,170.19 × 137,292.49 - Step 4: Simplify right side
239,248.36x = 45,329,887,508.87 - Step 5: Solve for x
x = 45,329,887,508.87/239,248.36 - Step 6: Final answer
x = 189,467.91
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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.