Finding the Fourth Proportional to 338,497.21, 507,733.48 and 136,155.97
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Solution
The fourth proportional to 338,497.21, 507,733.48 and 136,155.97 is: 204,228.99
Step by Step Solution
- Step 1: Write the proportion equation
338,497.21 : 507,733.48 = 136,155.97 : x - Step 2: Convert to fraction form
338,497.21/507,733.48 = 136,155.97/x - Step 3: Cross multiply
338,497.21x = 507,733.48 × 136,155.97 - Step 4: Simplify right side
338,497.21x = 69,130,944,470.88 - Step 5: Solve for x
x = 69,130,944,470.88/338,497.21 - Step 6: Final answer
x = 204,228.99
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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.