Finding the Fourth Proportional to 338,745.24, 508,118.06 and 86,044.68
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Solution
The fourth proportional to 338,745.24, 508,118.06 and 86,044.68 is: 129,067.07
Step by Step Solution
- Step 1: Write the proportion equation
338,745.24 : 508,118.06 = 86,044.68 : x - Step 2: Convert to fraction form
338,745.24/508,118.06 = 86,044.68/x - Step 3: Cross multiply
338,745.24x = 508,118.06 × 86,044.68 - Step 4: Simplify right side
338,745.24x = 43,720,855,874.92 - Step 5: Solve for x
x = 43,720,855,874.92/338,745.24 - Step 6: Final answer
x = 129,067.07
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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.