Finding the Fourth Proportional to 245,800.16, 339,202.32 and 138,371.52
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Solution
The fourth proportional to 245,800.16, 339,202.32 and 138,371.52 is: 190,951.63
Step by Step Solution
- Step 1: Write the proportion equation
245,800.16 : 339,202.32 = 138,371.52 : x - Step 2: Convert to fraction form
245,800.16/339,202.32 = 138,371.52/x - Step 3: Cross multiply
245,800.16x = 339,202.32 × 138,371.52 - Step 4: Simplify right side
245,800.16x = 46,935,940,605.93 - Step 5: Solve for x
x = 46,935,940,605.93/245,800.16 - Step 6: Final answer
x = 190,951.63
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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.