Finding the Fourth Proportional to 338,826.24, 508,135.68 and 128,494.08
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Solution
The fourth proportional to 338,826.24, 508,135.68 and 128,494.08 is: 192,701.80
Step by Step Solution
- Step 1: Write the proportion equation
338,826.24 : 508,135.68 = 128,494.08 : x - Step 2: Convert to fraction form
338,826.24/508,135.68 = 128,494.08/x - Step 3: Cross multiply
338,826.24x = 508,135.68 × 128,494.08 - Step 4: Simplify right side
338,826.24x = 65,292,426,716.77 - Step 5: Solve for x
x = 65,292,426,716.77/338,826.24 - Step 6: Final answer
x = 192,701.80
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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.