Finding the Fourth Proportional to 246,089.83, 339,635.28 and 138,686.26
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Solution
The fourth proportional to 246,089.83, 339,635.28 and 138,686.26 is: 191,404.69
Step by Step Solution
- Step 1: Write the proportion equation
246,089.83 : 339,635.28 = 138,686.26 : x - Step 2: Convert to fraction form
246,089.83/339,635.28 = 138,686.26/x - Step 3: Cross multiply
246,089.83x = 339,635.28 × 138,686.26 - Step 4: Simplify right side
246,089.83x = 47,102,746,747.25 - Step 5: Solve for x
x = 47,102,746,747.25/246,089.83 - Step 6: Final answer
x = 191,404.69
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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.